B01D 24/04
The filtering material being clamped between pervious fixed walls
Official title: the filtering material being clamped between pervious fixed walls (B01D24/10, B01D24/20 take precedence)
B01D24/04 (The filtering material being clamped between pervious fixed walls) appears on 189 US grants and 130 published applications in this corpus.
Search patents in B01D- Granted patents
- 189
- Published applications
- 130
- Assignees
- 113
- Inventors
- 327
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 4 |
| 2003 | 4 | 10 |
| 2004 | 1 | 4 |
| 2005 | 5 | 4 |
| 2006 | 1 | 5 |
| 2007 | 3 | 2 |
| 2008 | 5 | 4 |
| 2009 | 1 | 3 |
| 2010 | 2 | 5 |
| 2011 | 1 | 5 |
| 2012 | 3 | 1 |
| 2013 | 4 | 2 |
| 2014 | 4 | 4 |
| 2015 | 0 | 1 |
| 2016 | 2 | 5 |
| 2017 | 2 | 6 |
| 2018 | 4 | 5 |
| 2019 | 8 | 12 |
| 2020 | 6 | 11 |
| 2021 | 15 | 10 |
| 2022 | 6 | 7 |
| 2023 | 4 | 7 |
| 2024 | 2 | 5 |
| 2025 | 5 | 5 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for stormwater management6 Oct 2026US 12,753,093 B2Advanced Drainage Systems, Inc.
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- Regenerative media filter with flow diffuser14 Jul 2026US 12,678,716 B2Evoqua Water Technologies LLC
- Filtration device and water filtration pitcher comprising the same13 Jan 2026US 12,521,650 B2King's Flair Innovative Marketing Limited
- Systems and methods for stormwater management9 Dec 2025US 12,492,130 B2Advanced Drainage Systems, Inc.
- 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
- Enclosed media fluid filtration device13 Nov 2025US 2025/0345726 A1Advanced Drainage Systems, Inc.
- Regenerative media filter air scouring apparatus and method25 Sep 2025US 2025/0296855 A1Neptune-Benson, LLC
- Filter for removing microscale or nanoscale plastic particles from water, and water-treatment device11 Sep 2025US 2025/0282644 A1Klar2O GmbH
- Quick Change Oil Filter24 Jul 2025US 2025/0235804 A1Deere & Company
Most cited
By later US patents
- Water treatment device with volume totalization valve104US 5,527,451 ARecovery Engineering, Inc. · 1996
- Low profile dual screen prepack93US 5,004,049 AOtis Engineering Corporation · 1991
- Compact biofilter for drinking water treatment83US 5,032,261 ADufresne-Henry, Inc. · 1991
- Filter element83US 5,169,528 ASeitz-Filter-Werke GmbH & Co. · 1992
- Filter element with regenerable bulk material filling and method for making same82US 5,290,457 ASeitz-Filter-Werke GmbH & Co. · 1994