B01D 2201/10
Filtration under gravity in large open drainage basins
B01D2201/10 (Filtration under gravity in large open drainage basins) appears on 38 US grants and 12 published applications in this corpus.
Search patents in B01D- Granted patents
- 38
- Published applications
- 12
- Assignees
- 25
- Inventors
- 55
- Latest grant
- 13 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 2 |
| 2019 | 2 | 0 |
| 2020 | 3 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water separating residue filtration unit for high-pressure non-destructive water excavation13 Sep 2022US 11,439,931 B2Austmosis Holdings Pty Ltd
- Saturated layer stormwater filter and passive stormwater management system with pretreatment31 Aug 2021US 11,103,814 B2StormwateRx, LLC
- Basket-style solids interceptor29 Sep 2020US 10,786,761 B2Striem LLC
- Filter pad9 Jun 2020US 10,675,572 B2Day Enterprises LLC
- Portable filtration apparatus, systems and methods21 Apr 2020US 10,625,185 B1Precision Dewatering, LLC
- In-Pipe Stormwater Treatment Unit Best Management Practice (I-STUB)21 May 2026US 2026/0138056 A1The United States of America as represented by the Secretary of the Navy
- Non-powered water supply system28 Aug 2025US 2025/0269304 A1Amogreentech Co., Ltd.
- Filter assembly19 Jun 2025US 2025/0196039 A1Hamilton Sundstrand Corporation
- Saturated layer stormwater filtration system2 Dec 2021US 2021/0370204 A1StormwateRx, LLC
- A water separating residue filtration unit for high-pressure non-destructive water excavation7 Oct 2021US 2021/0308603 A1Austmosis Holdings Pty Ltd
Most cited
By later US patents
- Method and apparatus for treating storm water107US 5,322,629 AW & H Pacific Inc. · 1994
- Portable dumpster slurry separating system46US 4,871,454 A1989
- Portable liquid-solid separator for bulk sludge42US 4,929,353 A1990
- Vacuum loadable divided phase separator for liquid/solid separation37US 5,707,535 A1998
- Rigid filter elements, related apparatus and methods33US 4,564,450 AThe Dehydro Corporation · 1986