US4362625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste water clarifier
Assignee: UNITED INDUSTRIES Inc
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Filing: 1981-10-29
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Granted: 1982-12-07
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Expires: 2001-10-29
Abstract
Abstract A process and apparatus for treatment of waste water is provided wherein a waste water clarifier is positioned in a waste water flow channel and having a body assembly provided with a bow section facing into and extending above the waste water current, a stern section having an opening below the waste water level to allow the waste water to enter the clarifier, a bottom section constructed from rows of baffle plates wherein the rows are separated from one another by openings to allow the solids settled in the clarifier to re-enter the waste water flow channel, and an effluent launder fixedly positioned in the bow section.
Inventors
- 👤 Harold Beard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:27
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; B01D21/24; B01D21/2488; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/926
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
146 words
A clarifier for removing solids from waste water in a waste water flow channel comprising, (a) a forward section connected to a rear section by side walls, said forward section and side walls rising above said waste water, said rear section having an opening below the waste water level to allow said waste water to enter a cavity formed by the forward section, the rear section and the side walls, (b) a bottom panel attached to said side walls below said waste water level, said bottom panel having rows of vertically inclined baffle plates separated by openings to allow said solids to flow from said cavity back to said channel; and, (c) an effluent launder attached to said side walls and positioned in said forward section, said launder comprising a trough having means to allow said waste water located in said cavity to enter said trough.
Claim 2
Dependent Claim
146 words
A clarifier for removing solids from waste water in a waste water flow channel comprising, (a) a forward section connected to a rear section by side walls, said forward section and side walls rising above said waste water, said rear section having an opening below the waste water level to allow said waste water to enter a cavity formed by the forward section, the rear section and the side walls, (b) a bottom panel attached to said side walls below said waste water level, said bottom panel having rows of vertically inclined baffle plates separated by openings to allow said solids to flow from said cavity back to said channel; and, (c) an effluent launder attached to said side walls and positioned in said forward section, said launder comprising a trough having means to allow said waste water located in said cavity to enter said trough.
Claim 3
Dependent Claim
15 words
A clarifier according to claim 1 wherein said forward section has a arcuately-shaped vertical wall.
Claim 4
Dependent Claim
22 words
A clarifier according to claim 2 wherein said vertical wall is sloped inward from top toward the bottom of said vertical wall.
Claim 5
Dependent Claim
25 words
A clarifier according to claim 3 wherein said vertical side is provided with a bulb-shaped protrusion positioned at the bottom section of said vertical side.
Claim 6
Dependent Claim
16 words
A clarifier according to claim 1 wherein said rows are positioned parallel with said side panels.
Claim 7
Dependent Claim
13 words
A clarifier according to claim 1 wherein said baffle plates have hollow cavities.
Claim 8
Dependent Claim
32 words
A clarifier according to claim 1 wherein each of said side panels comprises a top flat section and bottom flat section angled outward toward a line at which they are sealingly attached.
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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) | 1985-12-06 | 1986-06-07 | 1986-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-06 | 1990-06-07 | 1990-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-06 | 1994-06-07 | 1994-12-07 | $7700.00 | Window Closed / Lapsed |