US6200465B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter with integral lift tab
Assignee: Mann and Hummel Filtration Technology US LLC
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Filing: 1999-08-06
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Granted: 2001-03-13
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Expires: 2019-08-06
Abstract
Abstract In order to facilitate removal of an air filter from a housing, the air filter has a flexible tab which provides a finger grip. In a preferred embodiment, the flexible tab is disposed between a molded gasket and an expanded metal screen which covers the downstream area or dirty side of a pleated filter media.
Inventors
- 👤 Paul Jennings Carawan
- 👤 Bruce Edward Coffey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:10
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10; B01D46/42; B01D46/4227; B01D46/52; B01D46/521; B01D46/88; B01D2271/00; B01D2271/02; B01D2271/027; B01D2279/00; B01D2279/60
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
89 words
A filter element for filtering a fluid flowing therethrough, the filter element comprising: a filter media having an upstream face facing the fluid to be filtered and a downstream face; a peripheral gasket configured of moldable material disposed around the filter media for mounting the filter element in a seat; a pull tab permanently attached to the filter element and extending outwardly therefrom to provide an arrangement for facilitating removing the filter element from the seat by pulling on the filter element pull tab attached to the filter element.
Claim 2
Dependent Claim
89 words
A filter element for filtering a fluid flowing therethrough, the filter element comprising: a filter media having an upstream face facing the fluid to be filtered and a downstream face; a peripheral gasket configured of moldable material disposed around the filter media for mounting the filter element in a seat; a pull tab permanently attached to the filter element and extending outwardly therefrom to provide an arrangement for facilitating removing the filter element from the seat by pulling on the filter element pull tab attached to the filter element.
Claim 3
Dependent Claim
34 words
The filter element of claim 1 , wherein the filter media is a pleated filter media and the moldable material of the gasket seals between pleats adjacent the downstream face of the filter media.
Claim 4
Dependent Claim
44 words
The filter element of claim 2 , wherein a screen is disposed over the downstream face of the filter media between the filter media and material of the gasket and wherein the pull tab is disposed between the screen and material of the gasket.
Claim 5
Dependent Claim
14 words
The filter element of claim 3 , wherein the screen is a metal screen.
Claim 6
Dependent Claim
16 words
The filter element of claim 4 , wherein the metal screen is configured of expanded aluminum.
Claim 7
Dependent Claim
48 words
The filter element of claim 1 , wherein the tab is made of filter media material and therefore serves as a visual indicator indicating the extent to which materials meant to be removed by the filter media have passed through the filter media by trapping the materials thereon.
Claim 8
Dependent Claim
20 words
The filter element of claim 1 , wherein the material of which the gasket is made is ethylene-propylenediene modified rubber.
Claim 9
Dependent Claim
15 words
The filter element of claim 1 , wherein the fluid is air or another gas.
Claim 10
Dependent Claim
20 words
The filter element of claim 1 wherein the pull tab is disposed between the peripheral gasket and the filter media.
Claim 11
Dependent Claim
16 words
The filter element of claim 9 wherein the pull tab is made of a flexible material.
Claim 12
Dependent Claim
45 words
The filter element of claim 10 wherein the filter media is a pleated filter media and the moldable material of the gasket seals between pleats adjacent the downstream face of the filter media the pull tab being co-molded with the gasket and pleated filter media.
Claim 13
Dependent Claim
116 words
A filter element for filtering inlet air for an internal combustion engine wherein the filter element is adapted to be removably seated on a seat in a housing connected by a duct to the internal combustion engine, the filter element comprising: a filter media having an upstream face facing an inlet of the housing and a downstream face facing the internal combustion engine; a peripheral gasket configured of material molded around the filter media for mounting the filter element on a seat; a pull tab disposed between the peripheral gasket and filter media and extending out of the gasket to provide an arrangement for facilitating removal of the filter element from the seat in the housing.
Claim 14
Dependent Claim
116 words
A filter element for filtering inlet air for an internal combustion engine wherein the filter element is adapted to be removably seated on a seat in a housing connected by a duct to the internal combustion engine, the filter element comprising: a filter media having an upstream face facing an inlet of the housing and a downstream face facing the internal combustion engine; a peripheral gasket configured of material molded around the filter media for mounting the filter element on a seat; a pull tab disposed between the peripheral gasket and filter media and extending out of the gasket to provide an arrangement for facilitating removal of the filter element from the seat in the housing.
Claim 15
Dependent Claim
35 words
The filter element of claim 12 , wherein the filter media is a pleated filter media and the material of the molded gasket seals between the pleats adjacent the downstream face of the filter media.
Claim 16
Dependent Claim
43 words
The filter element of claim 13 wherein a screen is disposed over the downstream face of the filter media between the filter media and material of the gasket and wherein the pull tab is disposed between the screen and material of the gasket.
Claim 17
Dependent Claim
13 words
The filter element of claim 14 wherein the screen is a metal screen.
Claim 18
Dependent Claim
15 words
The filter element of claim 15 wherein the metal screen is configured of expanded aluminum.
Claim 19
Dependent Claim
34 words
The filter clement of claim 12 wherein the tab includes an indicator incorporated therein indicating the extent to which materials meant to be removed by the filter media have passed through the filter media.
Claim 20
Dependent Claim
19 words
The filter element of claim 12 wherein the material of which the gasket is molded is ethylene-propylenediene modified rubber.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-03-12 | 2004-09-11 | 2005-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-03-12 | 2008-09-11 | 2009-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-03-12 | 2012-09-11 | 2013-03-13 | $7700.00 | Window Closed / Lapsed |