B01D 2279/00
Filters adapted for separating dispersed particles from gases or vapours specially modified
Official title: Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
B01D2279/00 (Filters adapted for separating dispersed particles from gases or vapours specially modified) appears on 3,254 US grants and 3,949 published applications in this corpus.
Search patents in B01D- Granted patents
- 3,254
- Published applications
- 3,949
- Assignees
- 1,382
- Inventors
- 7,416
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 17 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 18 | 0 |
| 1994 | 15 | 0 |
| 1995 | 26 | 0 |
| 1996 | 24 | 0 |
| 1997 | 35 | 0 |
| 1998 | 46 | 0 |
| 1999 | 35 | 0 |
| 2000 | 44 | 0 |
| 2001 | 52 | 22 |
| 2002 | 60 | 56 |
| 2003 | 52 | 62 |
| 2004 | 63 | 100 |
| 2005 | 44 | 80 |
| 2006 | 61 | 91 |
| 2007 | 50 | 111 |
| 2008 | 47 | 101 |
| 2009 | 55 | 148 |
| 2010 | 73 | 127 |
| 2011 | 104 | 113 |
| 2012 | 93 | 76 |
| 2013 | 88 | 72 |
| 2014 | 84 | 70 |
| 2015 | 65 | 63 |
| 2016 | 62 | 60 |
| 2017 | 61 | 270 |
| 2018 | 92 | 216 |
| 2019 | 184 | 306 |
| 2020 | 249 | 312 |
| 2021 | 211 | 341 |
| 2022 | 270 | 347 |
| 2023 | 226 | 277 |
| 2024 | 229 | 208 |
| 2025 | 187 | 181 |
| 2026 | 117 | 139 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 2279/60Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code857
- B01D 2279/30Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code798
- B01D 2279/50Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code556
- B01D 2279/55Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code356
- B01D 2279/35Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code222
- B01D 2279/40Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code177
- B01D 2279/65Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code160
- B01D 2279/45Filters adapted for separating dispersed particles from gases or vapours specially modifiedIndexing code132
Recent patents
- Systems and methods for rotating coalescers maintaining positive recirculation through a dynamic seal6 Oct 2026US 12,752,228 B2Atmus Filtration IP Inc.
- Air filtration assembly6 Oct 2026US 12,752,230 B2Ufi Innovation Center S.R.L.
- Portable breathing air filtering device and method6 Oct 2026US 12,752,231 B2King Abdullah University of Science and Technology
- Apparatus and method for an adjustable filter rack6 Oct 2026US 12,753,948 B2Midea Group Co., Ltd.
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Stackable air treatment device8 Oct 2026US 2026/0306982 A1Carrier Corporation
- Automotive air filters with hydrocarbon-absorbing media8 Oct 2026US 2026/0306983 A1
- Add on auto clean assembly for a vacuum filtration system of a dry bulk trailer and method of using the same8 Oct 2026US 2026/0306984 A1Bulk Tank, Inc.
- Gas processing device and gas production method8 Oct 2026US 2026/0307003 A1Hirata Corporation
Most cited
By later US patents
- Filter arrangement; sealing system; and methods402US 6,190,432 B1Donaldson Company, Inc. · 2001
- Air filter arrangement having first and second filter media dividing a housing and methods343US 6,210,469 B1Donaldson Company, Inc. · 2001
- Conical filter341US 5,902,364 ADonaldson Company, Inc. · 1999
- Smoke plume evacuation filtration system295US 6,585,791 B12003
- Filter arrangement; sealing system; and methods288US 6,350,291 B1Donaldson Company, Inc. · 2002