B01D 24/10
The filtering material being held in a closed container
Official title: the filtering material being held in a closed container
B01D24/10 (The filtering material being held in a closed container) appears on 592 US grants and 461 published applications in this corpus.
Search patents in B01D- Granted patents
- 592
- Published applications
- 461
- Assignees
- 383
- Inventors
- 1,091
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 13 | 0 |
| 1978 | 16 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 10 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 5 |
| 2002 | 14 | 8 |
| 2003 | 6 | 9 |
| 2004 | 4 | 21 |
| 2005 | 8 | 9 |
| 2006 | 6 | 7 |
| 2007 | 10 | 7 |
| 2008 | 7 | 8 |
| 2009 | 2 | 6 |
| 2010 | 4 | 9 |
| 2011 | 5 | 10 |
| 2012 | 7 | 10 |
| 2013 | 3 | 15 |
| 2014 | 13 | 25 |
| 2015 | 10 | 13 |
| 2016 | 13 | 27 |
| 2017 | 8 | 14 |
| 2018 | 23 | 29 |
| 2019 | 20 | 34 |
| 2020 | 27 | 30 |
| 2021 | 33 | 36 |
| 2022 | 27 | 42 |
| 2023 | 18 | 31 |
| 2024 | 17 | 18 |
| 2025 | 23 | 26 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 24/12Downward filtration, the filtering material being supported by pervious surfaces170
- B01D 24/14Downward filtration, the container having distribution or collection headers or pervious conduits164
- B01D 24/16Upward filtration143
- B01D 24/105Downward filtration without specifications about the filter material supporting means75
- B01D 24/18Combined upward and downward filtration29
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.
- Wastewater treatment method and apparatus2 Jul 2026US 2026/0184614 A1
- Multi-zone filtration device for a down-flow hydroprocessing reactor21 May 2026US 2026/0138057 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
- System for filtering liquids in a catch basin using filters in series and overflow channels87US 5,223,154 AEmcon Northwest, Inc. · 1993
- Method and apparatus for acoustically driven media filtration86US 6,221,258 B1Case Western Reserve University · 2001
- Computer controlled method of operating a swimming pool filtration system85US 5,804,080 A1998