B01D 24/00
Filters comprising loose filtering material, i.e. filtering material without any binder between
Official title: Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D27/02 takes precedence)
B01D24/00 (Filters comprising loose filtering material, i.e. filtering material without any binder between) appears on 1,383 US grants and 1,062 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,383
- Published applications
- 1,062
- Assignees
- 775
- Inventors
- 2,282
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 18 | 0 |
| 1978 | 22 | 0 |
| 1979 | 17 | 0 |
| 1980 | 23 | 0 |
| 1981 | 11 | 0 |
| 1982 | 16 | 0 |
| 1983 | 10 | 0 |
| 1984 | 24 | 0 |
| 1985 | 12 | 0 |
| 1986 | 23 | 0 |
| 1987 | 17 | 0 |
| 1988 | 22 | 0 |
| 1989 | 20 | 0 |
| 1990 | 25 | 0 |
| 1991 | 27 | 0 |
| 1992 | 43 | 0 |
| 1993 | 30 | 0 |
| 1994 | 28 | 0 |
| 1995 | 19 | 0 |
| 1996 | 28 | 0 |
| 1997 | 30 | 0 |
| 1998 | 28 | 0 |
| 1999 | 17 | 0 |
| 2000 | 27 | 0 |
| 2001 | 32 | 10 |
| 2002 | 28 | 21 |
| 2003 | 19 | 33 |
| 2004 | 15 | 39 |
| 2005 | 19 | 22 |
| 2006 | 21 | 26 |
| 2007 | 20 | 18 |
| 2008 | 17 | 18 |
| 2009 | 8 | 20 |
| 2010 | 11 | 23 |
| 2011 | 18 | 35 |
| 2012 | 21 | 29 |
| 2013 | 20 | 43 |
| 2014 | 29 | 65 |
| 2015 | 29 | 42 |
| 2016 | 43 | 65 |
| 2017 | 46 | 49 |
| 2018 | 57 | 65 |
| 2019 | 61 | 79 |
| 2020 | 66 | 70 |
| 2021 | 66 | 65 |
| 2022 | 47 | 62 |
| 2023 | 43 | 51 |
| 2024 | 36 | 39 |
| 2025 | 43 | 48 |
| 2026 | 17 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 24/02Filters comprising loose filtering material, i.e. filtering material without any binder between1,096
- B01D 24/46Regenerating the filtering material in the filter714
- B01D 24/38Feed or discharge devices267
- B01D 24/007Filters comprising loose filtering material, i.e. filtering material without any binder between219
- B01D 24/48Integrally combined with devices for controlling the filtration168
- B01D 24/002Filters comprising loose filtering material, i.e. filtering material without any binder between154
- B01D 24/28Filters comprising loose filtering material, i.e. filtering material without any binder between88
- B01D 24/001Making filter elements not provided for elsewhere64
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
- Filter cartridge assemblies and methods for filtering fluids217US 6,878,283 B2Renal Solutions, Inc. · 2005
- 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