B01D 27/02
Cartridge filters of the throw-away type: with cartridges made from a mass
Official title: with cartridges made from a mass of loose {granular or fibrous} material
B01D27/02 (Cartridge filters of the throw-away type: with cartridges made from a mass) appears on 78 US grants and 73 published applications in this corpus.
Search patents in B01D- Granted patents
- 78
- Published applications
- 73
- Assignees
- 52
- Inventors
- 179
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 4 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 4 |
| 2008 | 2 | 4 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 0 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 6 |
| 2017 | 2 | 1 |
| 2018 | 4 | 2 |
| 2019 | 5 | 7 |
| 2020 | 2 | 6 |
| 2021 | 4 | 3 |
| 2022 | 2 | 4 |
| 2023 | 3 | 4 |
| 2024 | 2 | 5 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lightweight fibrous media (LFM) filter31 Mar 2026US 12,589,336 B1
- Enclosed media fluid filtration device27 May 2025US 12,311,290 B2Advanced Drainage Systems, Inc.
- Filter cartridge1 Apr 2025US 12,263,420 B2Brita LP
- Fluid filter for a motor vehicle and filter cartridge for such a fluid filter17 Sep 2024US 12,090,424 B2Daimler Truck AG
- Method and device for removing particles from waste water27 Aug 2024US 12,070,724 B2Planet Care, Resitve Za Okolje D.O.O.
- Filter system for the removal of volatile organosulfur compounds (voscs) from indoor air8 Oct 2026US 2026/0306980 A1Air Tech Group, SLU
- Filter cartridge for aquarium; and methods30 Apr 2026US 2026/0115632 A1
- Enclosed media fluid filtration device13 Nov 2025US 2025/0345726 A1Advanced Drainage Systems, Inc.
- Filter device and refrigerator including the same26 Dec 2024US 2024/0424432 A1LG Electronics Inc.
- Liquid dispenser system26 Sep 2024US 2024/0316484 A1Bhrs Group
Most cited
By later US patents
- Filter with quick-connect coupling136US 3,950,251 ARayne International · 1976
- Apparatus for filtering impurities out of fluid118US 6,478,958 B1Baldwin Filters, Inc. · 2002
- Filtering apparatus97US 4,828,698 APall Corporation · 1989
- Apparatus for filtering impurities out of fluid96US 6,787,033 B2Baldwin Filters, Inc. · 2004
- Additive dispensing cartridge for an oil filter, and oil filter incorporating same90US 7,018,531 B2Honeywell International Inc. · 2006