Patent US4889446A successfully refreshed from Google Patents.
US4889446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erosion control foundation mat and method
Assignee: Individual
•
Filing: 1986-12-22
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Granted: 1989-12-26
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Expires: 2006-12-22
Abstract
Abstract An erosion control structure and method involves placing a large permeable mat with peripheral weighted pockets around and attached to the mat on the bottom of the body of water such that at least a portion of the mat extends to a location where currents have a velocity sufficient to erode the bottom. The peripheral pockets are filled with a weighted material, such as sand. Large weighted stabilizers are placed on the mat and positioned in the areas where the currents exceed the erosion velocity such that the stabilizers are below the surface of the water. The stabilizers are elongated tubular elements filled with a cementitious material, are preferably a large diameter tubular element is secured between two smaller diameter tubular elements. The smaller tubular elements are filled first in order to control the position of the larger diameter tubular element during filling. Further, a crossing tubular element is preferably positioned across a shoreward end of the elongated tubular element in order to form a barrier against wave movement around and past the shoreward end of the elongated tubular stabilizer.
Inventors
- 👤 Dick L. Holmberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:08
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/122; E02B3/127
Claims Analysis
Total Claims: 61
Claim 1
Independent Claim
83 words
A method of installing erosion control apparatus at a shoreline along a body of water, comprising: providing an elongated mat having longitudinal sides and an anchoring compartment extending along each said longitudinal side thereof; providing an elongated tubular element; positioning said elongated mat to extend out into said body of water; filling said anchoring compartments with ballast material; positioning said elongated tubular element on said mat to extend out into said body of water; and filling said elongated tubular element with ballast material.
Claim 2
Independent Claim
83 words
A method of installing erosion control apparatus at a shoreline along a body of water, comprising: providing an elongated mat having longitudinal sides and an anchoring compartment extending along each said longitudinal side thereof; providing an elongated tubular element; positioning said elongated mat to extend out into said body of water; filling said anchoring compartments with ballast material; positioning said elongated tubular element on said mat to extend out into said body of water; and filling said elongated tubular element with ballast material.
Claim 3
Dependent Claim
22 words
The method of claim 1, wherein: said elongated tubular element filling step includes filling said elongated tubular element with a cementitious material.
Claim 4
Dependent Claim
19 words
The method of claim 2, wherein: said anchoring compartments filling step includes filling said anchoring compartments with cementitious material.
Claim 5
Dependent Claim
19 words
The method of claim 1, wherein: said elongated tubular element providing step includes providing plurality of elongated tubular elements.
Claim 6
Dependent Claim
24 words
The method of claim 4, wherein: said elongated tubular element positioning step includes positioning said plurality of elongated tubular elements laterally adjacent each other.
Claim 7
Dependent Claim
19 words
The method of claim 5, wherein: said elongated tubular element providing step includes securing said elongated tubular elements together.
Claim 8
Dependent Claim
22 words
The method of claim 6, wherein: said elongated tubular element positioning step includes securing said elongated tubular elements to said elongated mat.
Claim 9
Dependent Claim
24 words
The method of claim 6, wherein: said elongated tubular element filling step includes filling said plurality of elongated tubular elements with a cementitious material.
Claim 10
Dependent Claim
71 words
The method of claim 4, wherein: said elongated tubular element providing step includes providing at least three elongated tubular elements, one of said elongated tubular elements being larger than the others of said elongated tubular elements, and disposing said larger elongated tubular element between said other elongated tubular elements; and said elongated tubular element filling step includes first filling said other elongated tubular elements and thereafter filling said larger elongated tubular
Claim 11
Dependent Claim
21 words
The method of claim 9, wherein: said elongated tubular element filling step includes filling said elongated tubular elements with cementitious material.
Claim 12
Dependent Claim
28 words
The method of claim 9, wherein: said elongated tubular element filling step includes pumping filling material into said elongated tubular elements through an inlet disposed proximate the shore.
Claim 13
Dependent Claim
28 words
The method of claim 1, wherein: said elongated tubular element filling step includes pumping filling material into said elongated tubular element through an inlet disposed proximate the shore.
Claim 14
Dependent Claim
46 words
The method of claim 1, wherein: said elongated tubular element is provided with a shoreward end; providing a cross elongated tubular element; positioning said cross elongated tubular element to cross over said shoreward end of said elongated tubular element; and filling said cross elongated tubular element.
Claim 15
Dependent Claim
27 words
The method of claim 13, wherein: said cross elongated tubular element positioning step includes positioning said cross elongated tubular element generally perpendicular to said elongated tubular element.
Claim 16
Dependent Claim
70 words
The method of claim 14, wherein: said elongated tubular element is provided with an inlet disposed toward a shoreward end of said elongated tubular element; said elongated tubular element filling step includes filling said elongated tubular element through said inlet; and substantially completely filling said cross elongated tubular element and thereafter substantially completely filling said elongated tubular element until said elongated tubular element tightly abuts said cross elongated tubular element.
Claim 17
Dependent Claim
70 words
The method of claim 13, wherein: said elongated tubular element is provided with an inlet disposed toward a shoreward end of said elongated tubular element; said elongated tubular element filling step includes filling said elongated tubular element through said inlet; and substantially completely filling said cross elongated tubular element and thereafter substantially completely filling said elongated tubular element until said elongated tubular element tightly abuts said cross elongated tubular element.
Claim 18
Dependent Claim
36 words
The method of claim 16, wherein: said elongated tubular element is provided with elongated positioning tubes; and said elongated tubular element filling step includes first filling said positioning tubes and thereafter filling said elongated tubular element.
Claim 19
Dependent Claim
36 words
The method of claim 1, wherein: said elongated tubular element is provided with elongated positioning tubes; and said elongated tubular element filling step includes first filling said positioning tubes and thereafter filling said elongated tubular element.
Claim 20
Dependent Claim
18 words
The method of claim 18, wherein: said positioning tubes are secured laterally adjacent to said elongated tubular element.
Claim 21
Independent Claim
87 words
A method of installing erosion control apparatus at a shoreline along a body of water, comprising: providing an elongated mat having longitudinal sides and an anchoring compartment extending along each said longitudinal side thereof; providing a plurality of laterally spaced flexible elongated tubular compartments secured together and disposed on said mat; positioning said elongated mat and said elongated tubular compartments to extend from said shoreline out into said body of water; filling said anchoring compartments with fill material; and filling said elongated tubular compartments with fill material.
Claim 22
Independent Claim
87 words
A method of installing erosion control apparatus at a shoreline along a body of water, comprising: providing an elongated mat having longitudinal sides and an anchoring compartment extending along each said longitudinal side thereof; providing a plurality of laterally spaced flexible elongated tubular compartments secured together and disposed on said mat; positioning said elongated mat and said elongated tubular compartments to extend from said shoreline out into said body of water; filling said anchoring compartments with fill material; and filling said elongated tubular compartments with fill material.
Claim 23
Dependent Claim
79 words
The method of claim 20, wherein: said plurality of laterally spaced flexible elongated tubular compartments providing step includes providing at least three elongated tubular compartments, one of one said elongated tubular compartments being provided larger than the other of said elongated tubular compartments, and disposing said larger elongated tubular compartment between said other elongated tubular compartments; and said elongated tubular compartment filling step includes first filling said other elongated tubular compartments and thereafter filling said larger elongated tubular compartment.
Claim 24
Dependent Claim
47 words
The method of claim 21, wherein: said elongated tubular compartments are provided with a shoreward end; providing a flexible crossing elongated tubular compartment; positioning said crossing elongated tubular compartment to cross over said shoreward end of said elongated tubular compartments; and filling said crossing elongated tubular compartment.
Claim 25
Dependent Claim
23 words
The method of claim 22, wherein: providing a crossing elongated mat; and positioning said crossing elongated mat beneath said crossing elongated tubular compartment.
Claim 26
Dependent Claim
62 words
The method of claim 23, wherein: said elongated tubular compartments are provided with an inlet let disposed towards said shoreward end; said elongated tubular compartments filling step includes filling said elongated tubular compartments through said inlet; and filling said crossing elongated tubular compartment and thereafter filling said elongated tubular compartments until said elongated tubular compartments tightly abut said crossing elongated tubular compartment.
Claim 27
Dependent Claim
22 words
The method of claim 24, wherein: said elongated tubular compartments filling step includes filling said elongated tubular compartments with a cementitious material.
Claim 28
Dependent Claim
28 words
The method of claim 25, wherein: said elongated tubular compartments filling step includes pumping filling material into said elongated tubular compartments through an inlet disposed proximate the shore.
Claim 29
Dependent Claim
28 words
The method of claim 20, wherein: said elongated tubular compartments filling step includes pumping filling material into said elongated tubular compartments through an inlet disposed proximate the shore.
Claim 30
Dependent Claim
69 words
The method of claim 27, wherein: said elongated tubular compartments are provided with a shoreward end; providing a flexible crossing elongated tubular compartment; positioning said crossing elongated tubular compartment to cross over said shoreward end of said elongated tubular compartments; and first substantially completely filling said crossing elongated tubular compartment and thereafter filling said elongated tubular compartments until said elongated tubular compartments tightly abut said crossing elongated tubular compartment.
Claim 31
Dependent Claim
47 words
The method of claim 28, wherein: said elongated tubular compartments are provided with a shoreward end; providing a flexible crossing elongated tubular compartment; positioning said crossing elongated tubular compartment to cross over said shoreward end of said elongated tubular compartment; and filling said crossing elongated tubular compartment.
Claim 32
Dependent Claim
22 words
The method of claim 29, wherein: said elongated tubular compartments filling step includes filling said elongated tubular compartments with a cementitious material.
Claim 33
Independent Claim
124 words
A method of installing erosion control apparatus at a shoreline along a body of water, comprising: providing a first elongated mat having a shoreward end and longitudinal sides; providing a flexible first elongated tubular compartment having a shoreward end; positioning said first elongated mat to extend out into said body of water; positioning said first elongated tubular compartment on said mat to extend out into said body of water; providing a flexible second elongated tubular compartment and a second mat; positioning said second mat across said shoreward end of said first mat and said second elongated tubular compartment across said shoreward end of said first elongated tubular compartment; and filling said first elongated tubular compartment and said second elongated tubular compartment with fill material.
Claim 34
Independent Claim
124 words
A method of installing erosion control apparatus at a shoreline along a body of water, comprising: providing a first elongated mat having a shoreward end and longitudinal sides; providing a flexible first elongated tubular compartment having a shoreward end; positioning said first elongated mat to extend out into said body of water; positioning said first elongated tubular compartment on said mat to extend out into said body of water; providing a flexible second elongated tubular compartment and a second mat; positioning said second mat across said shoreward end of said first mat and said second elongated tubular compartment across said shoreward end of said first elongated tubular compartment; and filling said first elongated tubular compartment and said second elongated tubular compartment with fill material.
Claim 35
Dependent Claim
28 words
The method of claim 32, wherein: said second elongated tubular compartment positioning step includes positioning said second elongated tubular compartment generally perpendicular to said first elongated tubular compartment.
Claim 36
Dependent Claim
73 words
The method of claim 32, wherein: said first elongated tubular compartment is provided with an inlet disposed toward a shoreward end of said first elongated tubular compartment; said first elongated tubular compartment filling step includes filling said elongated tubular compartment through said inlet; and substantially completely filling said second elongated tubular compartment and thereafter filling said first elongated tubular compartment until said first elongated tubular compartment tightly abuts said second elongated tubular compartment.
Claim 37
Dependent Claim
39 words
The method of claim 33, wherein: said first elongated tubular compartment is provided with elongated positioning tubes; and said first elongated tubular compartment filling step includes first filling said positioning tubes and thereafter filling said first elongated tubular compartment.
Claim 38
Dependent Claim
39 words
The method of claim 31, wherein: said first elongated tubular compartment is provided with elongated positioning tubes; and said first elongated tubular compartment filling step includes first filling said positioning tubes and thereafter filling said first elongated tubular compartment.
Claim 39
Dependent Claim
24 words
The method of claim 35, wherein: said first elongated tubular compartment filling step includes filling said first elongated tubular compartment with a cementitious material.
Claim 40
Dependent Claim
222 words
An erosion control structure comprising: an elongated mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said elongated mat adapted to be extended out into a body of water and anchored by said peripheral pockets to the bottom thereof; a plurality of elongated tubular elements secured together laterally adjacent each other and positioned atop and extending upwardly from said mat, said elongated tubular element extending along said mat generally parallel to said peripheral pockets and adapted to extend out into a body of water, said elongated tubular elements having a cross-sectional area greater than said cross-sectional area of said peripheral pockets, one of said elongated tubular elements having a diameter substantially larger than the other of said elongated tubular elements, said larger diameter elongated tubular element disposed between said other elongated tubular elements and said elongated tubular element adapted to be filled with ballast material, whereby when installed said mat and said elongated tubular element are extended out into a body of water to a location beneath the water surface and filled with ballast material; a crossing elongated tubular element; said elongated tubular elements having shoreward ends; and said crossing elongated tubular element disposed across said shoreward ends of said elongated tubular elements.
Claim 41
Dependent Claim
222 words
An erosion control structure comprising: an elongated mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said elongated mat adapted to be extended out into a body of water and anchored by said peripheral pockets to the bottom thereof; a plurality of elongated tubular elements secured together laterally adjacent each other and positioned atop and extending upwardly from said mat, said elongated tubular element extending along said mat generally parallel to said peripheral pockets and adapted to extend out into a body of water, said elongated tubular elements having a cross-sectional area greater than said cross-sectional area of said peripheral pockets, one of said elongated tubular elements having a diameter substantially larger than the other of said elongated tubular elements, said larger diameter elongated tubular element disposed between said other elongated tubular elements and said elongated tubular element adapted to be filled with ballast material, whereby when installed said mat and said elongated tubular element are extended out into a body of water to a location beneath the water surface and filled with ballast material; a crossing elongated tubular element; said elongated tubular elements having shoreward ends; and said crossing elongated tubular element disposed across said shoreward ends of said elongated tubular elements.
Claim 42
Dependent Claim
19 words
The erosion control structure of claim 37, further comprising: a crossing mat disposed beneath said crossing elongated tubular element.
Claim 43
Dependent Claim
18 words
The erosion control structure of claim 38, wherein: said elongated tubular elements are filled with a cementitious material.
Claim 44
Dependent Claim
180 words
An erosion control structure comprising: an elongated mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said elongated mat adapted to be extended out into a body of water and anchored by said peripheral pockets to the bottom thereof; a plurality of flexible elongated tubular compartments positioned atop and extending upwardly from said mat, said elongated tubular compartments extending along said mat generally parallel to each other, at least one of said elongated tubular compartments having a cross-sectional area greater than said cross-sectional area of said peripheral pockets and said elongated tubular compartments adapted to be extended out into a body of water, one of said elongated tubular compartments having a diameter substantially greater than the others of said elongated tubular compartments, and said larger diameter elongated tubular compartment is disposed between said other elongated tubular compartments, whereby when installed said mat and elongated tubular compartments are extended out into a body of water to a location beneath the water surface.
Claim 45
Dependent Claim
180 words
An erosion control structure comprising: an elongated mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said elongated mat adapted to be extended out into a body of water and anchored by said peripheral pockets to the bottom thereof; a plurality of flexible elongated tubular compartments positioned atop and extending upwardly from said mat, said elongated tubular compartments extending along said mat generally parallel to each other, at least one of said elongated tubular compartments having a cross-sectional area greater than said cross-sectional area of said peripheral pockets and said elongated tubular compartments adapted to be extended out into a body of water, one of said elongated tubular compartments having a diameter substantially greater than the others of said elongated tubular compartments, and said larger diameter elongated tubular compartment is disposed between said other elongated tubular compartments, whereby when installed said mat and elongated tubular compartments are extended out into a body of water to a location beneath the water surface.
Claim 46
Dependent Claim
17 words
The erosion control structure of claim 40, wherein: said elongated tubular compartments are laterally adjacently secured together.
Claim 47
Dependent Claim
23 words
The erosion control structure of claim 41 further comprising: a crossing elongated tubular compartment disposed across one end of said elongated tubular compartments.
Claim 48
Dependent Claim
130 words
An erosion control structure comprising: a permeable mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said mat adapted to be extended out into a body of water and anchored to the bottom thereof by said peripheral pockets; a flexible elongated tubular compartment positioned atop and extending upwardly from said mat, said elongated tubular compartment having a cross-sectional area greater than said cross-sectional area of said peripheral pockets and said elongated tubular compartment adapted to be extended out into a body of water and filled with ballast material; and a flexible crossing tubular compartment disposed across one end of said elongated tubular compartment and adapted to be filled with ballast material.
Claim 49
Dependent Claim
130 words
An erosion control structure comprising: a permeable mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said mat adapted to be extended out into a body of water and anchored to the bottom thereof by said peripheral pockets; a flexible elongated tubular compartment positioned atop and extending upwardly from said mat, said elongated tubular compartment having a cross-sectional area greater than said cross-sectional area of said peripheral pockets and said elongated tubular compartment adapted to be extended out into a body of water and filled with ballast material; and a flexible crossing tubular compartment disposed across one end of said elongated tubular compartment and adapted to be filled with ballast material.
Claim 50
Dependent Claim
19 words
The erosion control structure of claim 43, further comprising: a crossing mat disposed beneath said crossing elongated tubular compartment.
Claim 51
Dependent Claim
23 words
The erosion control structure of claim 44, wherein: a plurality of said laterally adjacent elongated tubular compartments are positioned atop said elongated mat.
Claim 52
Dependent Claim
155 words
An erosion control structure comprising: an elongated mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said elongated mat adapted to be extended out into a body of water and anchored by said peripheral pockets to the bottom thereof; a plurality of flexible elongated tubular compartments positioned atop and extending upwardly from said mat, said elongated tubular compartments extending along said mat generally parallel to each other and said elongated tubular compartments are laterally adjacently secured together, at least one of said elongated tubular compartments having a cross-sectional area greater than said cross-sectional area of said peripheral pockets and said elongated tubular compartments adapted to be extended out into a body water, whereby when installed said mat and elongated tubular compartments are extended out into a body of water to a location beneath the water surface.
Claim 53
Dependent Claim
155 words
An erosion control structure comprising: an elongated mat having longitudinal edges and having peripheral pockets extending along said longitudinal edges thereof, said peripheral pockets each having a cross-sectional area and adapted to hold ballast material, said elongated mat adapted to be extended out into a body of water and anchored by said peripheral pockets to the bottom thereof; a plurality of flexible elongated tubular compartments positioned atop and extending upwardly from said mat, said elongated tubular compartments extending along said mat generally parallel to each other and said elongated tubular compartments are laterally adjacently secured together, at least one of said elongated tubular compartments having a cross-sectional area greater than said cross-sectional area of said peripheral pockets and said elongated tubular compartments adapted to be extended out into a body water, whereby when installed said mat and elongated tubular compartments are extended out into a body of water to a location beneath the water surface.
Claim 54
Dependent Claim
123 words
An erosion control structure adapted to retard shoreline erosion along a body of water, comprising: an elongated fabric mat having a pair of longitudinal edges and having peripheral pockets extending along said longitudinal edges, said peripheral pockets each having a peripheral pocket cross-sectional area; stabilizer means separate from said mat and comprising at least one flexible compartment adapted to be filled with ballast material and positioned atop and extending upwardly from said mat; said stabilizer means having a stabilizer cross-sectional area greater than said peripheral pocket cross-sectional area, whereby said mat is adapted to be laid out such that said mat extends into the body of water with said stabilizer means projecting upwardly from said mat a greater distance than said peripheral pockets.
Claim 55
Dependent Claim
123 words
An erosion control structure adapted to retard shoreline erosion along a body of water, comprising: an elongated fabric mat having a pair of longitudinal edges and having peripheral pockets extending along said longitudinal edges, said peripheral pockets each having a peripheral pocket cross-sectional area; stabilizer means separate from said mat and comprising at least one flexible compartment adapted to be filled with ballast material and positioned atop and extending upwardly from said mat; said stabilizer means having a stabilizer cross-sectional area greater than said peripheral pocket cross-sectional area, whereby said mat is adapted to be laid out such that said mat extends into the body of water with said stabilizer means projecting upwardly from said mat a greater distance than said peripheral pockets.
Claim 56
Independent Claim
88 words
A method of retarding shoreline erosion along a body of water at an erosion region, comprising: providing an elongated sheet of fabric having longitudinal edges and having side pockets extending along said longitudinal edges, said side pockets having a first diameter; providing a stabilizer pocket on said mat between said side pockets, said stabilizer pocket having a second diameter greater than said first diameter; positioning said sheet to extend along the erosion region; first filling said side pockets; after filling said side pockets, second filling said stabilizer pocket.
Claim 57
Independent Claim
88 words
A method of retarding shoreline erosion along a body of water at an erosion region, comprising: providing an elongated sheet of fabric having longitudinal edges and having side pockets extending along said longitudinal edges, said side pockets having a first diameter; providing a stabilizer pocket on said mat between said side pockets, said stabilizer pocket having a second diameter greater than said first diameter; positioning said sheet to extend along the erosion region; first filling said side pockets; after filling said side pockets, second filling said stabilizer pocket.
Claim 58
Dependent Claim
21 words
The method of claim 48, wherein: said stabilizer pocket providing step includes providing a stabilizer pocket joined with said elongated sheet.
Claim 59
Dependent Claim
19 words
The method of claim 49, wherein: said first filling step includes filling said side pockets with a seditious material.
Claim 60
Dependent Claim
18 words
The method of claim 49, wherein: said second filling step includes filling said stabilizer pocket with cementitious material.
Claim 61
Dependent Claim
21 words
The method of claim 48, wherein: said stabilizer pocket providing step includes providing a stabilizer pocket separable from said elongated sheet.
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| 3.5 Years (Year 4) | 1992-12-25 | 1993-06-26 | 1993-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-25 | 1997-06-26 | 1997-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-25 | 2001-06-26 | 2001-12-26 | $7700.00 | Window Closed / Lapsed |