B01D 2277/00
Filters specially adapted for separating dispersed particles from gases or vapours characterised
Official title: Filters specially adapted for separating dispersed particles from gases or vapours characterised by the position of the filter in relation to the gas stream
B01D2277/00 (Filters specially adapted for separating dispersed particles from gases or vapours characterised) appears on 107 US grants and 115 published applications in this corpus.
Search patents in B01D- Granted patents
- 107
- Published applications
- 115
- Assignees
- 83
- Inventors
- 287
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 6 |
| 2006 | 3 | 5 |
| 2007 | 3 | 8 |
| 2008 | 2 | 2 |
| 2009 | 6 | 4 |
| 2010 | 1 | 3 |
| 2011 | 3 | 3 |
| 2012 | 3 | 2 |
| 2013 | 4 | 3 |
| 2014 | 2 | 4 |
| 2015 | 2 | 3 |
| 2016 | 2 | 2 |
| 2017 | 3 | 10 |
| 2018 | 4 | 2 |
| 2019 | 3 | 6 |
| 2020 | 11 | 12 |
| 2021 | 2 | 7 |
| 2022 | 6 | 9 |
| 2023 | 8 | 9 |
| 2024 | 6 | 4 |
| 2025 | 6 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air filter6 Jan 2026US 12,515,156 B2Mann+Hummel GmbH
- Filter element and filter system6 Jan 2026US 12,515,157 B2Mann+Hummel GmbH
- Gas filter separator filter cartridge with keys and/or baffle6 Jan 2026US 12,515,160 B2Parker-Hannifin Corporation
- Filter sheet and filter30 Dec 2025US 12,508,531 B2Toyo Aluminium Ekco Products Co., Ltd.
- Vehicle air-conditioning apparatus30 Dec 2025US 12,508,880 B2Hanon Systems
- Gas filter separator filter cartridge with keys and/or baffle2 Apr 2026US 2026/0091337 A1Parker-Hannifin Corporation
- Filter element and method of manufacturing a filter element30 Oct 2025US 2025/0332532 A1Donaldson Company, Inc.
- Cooking apparatus ventilation system including oil-smoke collection filter18 Sep 2025US 2025/0288934 A1Samsung Electronics Co., Ltd.
- Low restriction air filter19 Jun 2025US 2025/0196045 A1Cummins Filtration Inc.
- Separator for a fluid cleaning device13 Feb 2025US 2025/0049279 A1Dyson Technology Limited
Most cited
By later US patents
- Air filter arrangement having first and second filter media dividing a housing and methods343US 6,210,469 B1Donaldson Company, Inc. · 2001
- Slanted inline filter319US 5,772,883 ADonaldson Company, Inc. · 1998
- Multistage air cleaner including pulse cleaning system130US 7,090,711 B2Donaldson Company, Inc. · 2006
- Multistage air cleaner including pulse cleaning system120US 6,676,721 B1Donaldson Company, Inc. · 2004
- Multistage air cleaner including pulse cleaning system81US 6,908,494 B2Donaldson Company, Inc. · 2005