US3928205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of floating pollutants
Assignee: Shell USA Inc
•
Filing: 1974-05-17
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Granted: 1975-12-23
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Expires: 1994-05-17
Abstract
Abstract Apparatus and method for removing a polluting liquid from a water surface, the apparatus being composed of discrete sorbent bodies connected by a tension member and positioned along the water surface in contact with the floating pollutant; the method involving positioning connected discrete sorbent bodies in contact with a floating pollutant, sorbing the pollutant, continuously recovering the sorbent, removing the pollutant from the sorbent, and returning the sorbent to contact with the pollutant on the water surface.
Inventors
- 👤 Errol V Seymour
- 👤 Ray R Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:55
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/06; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN APPARATUS FOR REMOVING A FLOATING LIQUID POLLUTANT FROM WATER, COMPRISING: A TENSION MEMBER; A SORBENT TUBE SHAPED AS AN OPEN CYLINDER THROUGH WHICH THE TENSION MEMBER PASSES AND HAVING A LATERAL SPLIT SO THAT IT MAY BE REMOVED OFF THE TENSION MEMBER IN THE EVENT OF FAILURE OF THE SORBENT; LINES CONNECTING THE TUBE TO THE TENSION MEMBER; MEANS TO DEPLOY THE TENSION MEMBER TO POSITION THE SORBENT TUBES IN CONTACT WITH THE POLLUTANT; AND MEANS TO REMOVE THE POLLUTANT FROM THE SORBENT.
Claim 2
Independent Claim
84 words
AN APPARATUS FOR REMOVING A FLOATING LIQUID POLLUTANT FROM WATER, COMPRISING: A TENSION MEMBER; A SORBENT TUBE SHAPED AS AN OPEN CYLINDER THROUGH WHICH THE TENSION MEMBER PASSES AND HAVING A LATERAL SPLIT SO THAT IT MAY BE REMOVED OFF THE TENSION MEMBER IN THE EVENT OF FAILURE OF THE SORBENT; LINES CONNECTING THE TUBE TO THE TENSION MEMBER; MEANS TO DEPLOY THE TENSION MEMBER TO POSITION THE SORBENT TUBES IN CONTACT WITH THE POLLUTANT; AND MEANS TO REMOVE THE POLLUTANT FROM THE SORBENT.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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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) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |