B01D 24/02
Filters comprising loose filtering material, i.e. filtering material without any binder between
Official title: with the filter bed stationary during the filtration
B01D24/02 (Filters comprising loose filtering material, i.e. filtering material without any binder between) appears on 1,096 US grants and 756 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,096
- Published applications
- 756
- Assignees
- 595
- Inventors
- 1,721
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 17 | 0 |
| 1978 | 21 | 0 |
| 1979 | 17 | 0 |
| 1980 | 23 | 0 |
| 1981 | 10 | 0 |
| 1982 | 16 | 0 |
| 1983 | 10 | 0 |
| 1984 | 22 | 0 |
| 1985 | 12 | 0 |
| 1986 | 20 | 0 |
| 1987 | 14 | 0 |
| 1988 | 21 | 0 |
| 1989 | 16 | 0 |
| 1990 | 22 | 0 |
| 1991 | 26 | 0 |
| 1992 | 38 | 0 |
| 1993 | 30 | 0 |
| 1994 | 26 | 0 |
| 1995 | 16 | 0 |
| 1996 | 23 | 0 |
| 1997 | 28 | 0 |
| 1998 | 22 | 0 |
| 1999 | 14 | 0 |
| 2000 | 23 | 0 |
| 2001 | 31 | 10 |
| 2002 | 25 | 19 |
| 2003 | 16 | 29 |
| 2004 | 14 | 33 |
| 2005 | 18 | 19 |
| 2006 | 19 | 17 |
| 2007 | 17 | 15 |
| 2008 | 14 | 17 |
| 2009 | 5 | 14 |
| 2010 | 11 | 18 |
| 2011 | 13 | 20 |
| 2012 | 14 | 18 |
| 2013 | 12 | 25 |
| 2014 | 22 | 41 |
| 2015 | 21 | 29 |
| 2016 | 24 | 44 |
| 2017 | 21 | 28 |
| 2018 | 39 | 44 |
| 2019 | 40 | 61 |
| 2020 | 47 | 46 |
| 2021 | 51 | 47 |
| 2022 | 34 | 48 |
| 2023 | 24 | 35 |
| 2024 | 22 | 28 |
| 2025 | 27 | 32 |
| 2026 | 14 | 19 |
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.
- Regenerable system and method for filtering microfibres from a waste liquid22 Sep 2026US 12,742,277 B2Ifp Energies Nouvelles
- Dispenser25 Aug 2026US 12,714,955 B2King Technology, Inc.
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- Underdrain for media vessel and method of cleaning18 Aug 2026US 12,708,934 B2Bl Technologies, Inc.
- Axial flow single split filter24 Sep 2026US 2026/0284557 A1Atmus Filtration Inc.
- Adjustable weir for a collection trough, a collection trough and a collection trough assembly24 Sep 2026US 2026/0284558 A1Roberts Water Technologies, Inc.
- Split resin bed, low pressure drop, and replaceable cartridge deionization filter20 Aug 2026US 2026/0241312 A1Atmus Filtration Inc.
- Systems and Methods for Stormwater Treatment6 Aug 2026US 2026/0225917 A1Geostorage Corporation
- Wastewater treatment method and apparatus2 Jul 2026US 2026/0184614 A1
Most cited
By later US patents
- Quick-change filter cartridge and head therefor175US 4,735,716 ACuno Corporated · 1988
- Quick-change filter cartridge and head therefor130US 4,877,521 ACuno Incorporated · 1989
- Method and apparatus for treating stormwater runoff122US 6,277,274 B12001
- Method and apparatus for treating storm water107US 5,322,629 AW & H Pacific Inc. · 1994
- Water treatment device with volume totalization valve104US 5,527,451 ARecovery Engineering, Inc. · 1996