B01D 2279/10
Filters adapted for separating dispersed particles from gases or vapours specially modified
Official title: for air bags, e.g. inflators therefor
B01D2279/10 (Filters adapted for separating dispersed particles from gases or vapours specially modified) appears on 78 US grants and 50 published applications in this corpus.
Search patents in B01D- Granted patents
- 78
- Published applications
- 50
- Assignees
- 32
- Inventors
- 143
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 4 |
| 2003 | 4 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 5 |
| 2019 | 3 | 2 |
| 2020 | 4 | 4 |
| 2021 | 3 | 5 |
| 2022 | 2 | 4 |
| 2023 | 3 | 0 |
| 2024 | 1 | 2 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Cylindrical filter for pyrotechnic device, manufacturing method for cylindrical filter, and pyrotechnic device using cylindrical filter14 Oct 2025US 12,441,270 B2Daicel Corporation
- Filter unit for gas generator, gas generator, and method for manufacturing gas generator29 Apr 2025US 12,286,073 B2Daicel Corporation
- Airbag inflator filter using expanded metal oriented rough side facing toward the inside diameter of the filter11 Mar 2025US 12,246,671 B2ACS Industries, Inc.
- Hollow cylindrical filter and manufacturing apparatus9 Apr 2024US 11,951,427 B2Fuji Filter Manufacturing Co., Ltd.
- Filter diffuser23 May 2023US 11,654,859 B2Illinois Tool Works Inc.
- Airbag inflator filter using expanded metal oriented rough side facing toward the inside diameter of the filter7 Aug 2025US 2025/0249861 A1ACS Industries, Inc.
- Filter, method for manufacturing filter, and gas generator13 Feb 2025US 2025/0050259 A1Fuji Filter Manufacturing Co., Ltd.
- Filter unit for gas generator, gas generator, and method for manufacturing gas generator29 Aug 2024US 2024/0286575 A1Daicel Corporation
- Airbag inflator filter using expanded metal oriented rough side facing toward the inside diameter of the filter9 May 2024US 2024/0149825 A1ACS Industries, Inc.
- Airbag module with airbag retainer filter layer7 Jul 2022US 2022/0212623 A1Zf Passive Safety Systems US Inc.
Most cited
By later US patents
- Filter for occupant restraint system fluid supply43US 4,012,211 AEaton Corporation · 1977
- Air bag inflator43US 5,466,420 AMorton International, Inc. · 1995
- Filtration in hybrid inflators41US 5,360,232 AMorton International, Inc. · 1994
- Airbag filter assembly and method of assembly thereof39US 5,702,494 AMinnesota Mining and Manufacturing Company · 1997
- Varying permeability filter for airbag inflator36US 5,503,806 AMorton International, Inc. · 1996