F01N 3/0226
The structure being fibrous
Official title: {the structure being fibrous}
F01N3/0226 (The structure being fibrous) appears on 182 US grants and 158 published applications in this corpus.
Search patents in F01N- Granted patents
- 182
- Published applications
- 158
- Assignees
- 105
- Inventors
- 391
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 12 |
| 2003 | 4 | 5 |
| 2004 | 4 | 18 |
| 2005 | 7 | 17 |
| 2006 | 8 | 8 |
| 2007 | 12 | 24 |
| 2008 | 5 | 22 |
| 2009 | 17 | 10 |
| 2010 | 8 | 8 |
| 2011 | 13 | 5 |
| 2012 | 0 | 2 |
| 2013 | 7 | 6 |
| 2014 | 2 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 3 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Post-combustion engine exhaust gases absorber18 Aug 2026US 12,710,005 B2
- Apertured polymer sheets incorporating nanoparticles9 Dec 2025US 12,492,292 B2DelStar Technologies, Inc.
- Exhaust filter system for internal combustion engines and method of using same10 Oct 2023US 11,781,455 B2The Original Carbon Trap Inc.
- Cooling device for power source for ship propulsion device12 Jul 2022US 11,383,810 B2Suzuki Motor Corporation
- Filtering media member for filtering particulate matter in a fluid stream21 Sep 2021US 11,123,675 B2DCL International Inc.
- Feeding and exhaust system for internal combustion engine, or thermal unit, and respective method of operation13 Aug 2026US 2026/0235064 A1Rhapis S.R.L.
- Apertured polymer sheets incorporating nanoparticles2 Apr 2026US 2026/0092156 A1DelStar Technologies, Inc.
- Vacuum furnace exhaust traps and systems25 Dec 2025US 2025/0389216 A1Rolls-Royce High Temperature Composites Inc.
- Post-Combustion Engine Exhaust Gases Absorber28 Nov 2024US 2024/0392712 A1
- Particulate Filter19 Oct 2023US 2023/0330640 A1BASF SE
Most cited
By later US patents
- Particulate trap for diesel engine114US 5,908,480 ASumitomo Electric Industries, Ltd. · 1999
- High temperature nanofilter, system and method99US 7,052,532 B13M Innovative Properties Company · 2006
- Stitch knitted filters for high temperature fluids and method of making them85US 4,181,514 AHuyck Corporation · 1980
- Self supporting hot gas filter assembly76US 5,453,116 AMinnesota Mining and Manufacturing Company · 1995
- Diesel particulate filter element and filter74US 5,298,046 AMinnesota Mining and Manufacturing Company · 1994