F01N 2330/10
Fibrous material
Official title: Fibrous material, e.g. mineral or metallic wool
F01N2330/10 (Fibrous material) appears on 257 US grants and 156 published applications in this corpus.
Search patents in F01N- Granted patents
- 257
- Published applications
- 156
- Assignees
- 133
- Inventors
- 549
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 15 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 7 |
| 2003 | 9 | 8 |
| 2004 | 4 | 11 |
| 2005 | 7 | 20 |
| 2006 | 7 | 19 |
| 2007 | 7 | 12 |
| 2008 | 8 | 14 |
| 2009 | 12 | 7 |
| 2010 | 8 | 6 |
| 2011 | 7 | 6 |
| 2012 | 4 | 5 |
| 2013 | 3 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 6 |
| 2018 | 3 | 5 |
| 2019 | 3 | 5 |
| 2020 | 3 | 3 |
| 2021 | 5 | 3 |
| 2022 | 4 | 9 |
| 2023 | 4 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Inorganic fiber-formed article, mat for exhaust gas cleaning apparatus, and exhaust gas cleaning apparatus17 Dec 2024US 12,168,841 B2Maftec Co., Ltd.
- Inorganic fiber-formed article, mat for exhaust gas cleaning apparatus, and exhaust gas cleaning apparatus8 Oct 2024US 12,110,622 B2Maftec Co., Ltd.
- Exhaust muffler, two-stroke engine or four-stroke engine having an exhaust muffler, and catalytic converter for an exhaust muffler14 Nov 2023US 11,813,569 B2Andreas Stihl AG & CO.KG
- Exhaust filter system for internal combustion engines and method of using same10 Oct 2023US 11,781,455 B2The Original Carbon Trap Inc.
- Catalyst for use in the selective catalytic reduction (SCR) of nitrogen oxides3 Oct 2023US 11,772,075 B2Umicore AG & Co. KG
- Vacuum furnace exhaust traps and systems25 Dec 2025US 2025/0389216 A1Rolls-Royce High Temperature Composites Inc.
- Methods of manufacturing green bodies and substrates26 Sep 2024US 2024/0317648 A1
- Exhaust filter system for internal combustion engines and method of using same24 Nov 2022US 2022/0372901 A1The Original Carbon Trap Inc.
- Catalyst for Use in the Selective Catalytic Reduction (SCR) of Nitrogen Oxides10 Nov 2022US 2022/0355274 A1Umicore AG & Co. KG
- Exhaust muffler, two-stroke engine or four-stroke engine having an exhaust muffler, and catalytic converter for an exhaust muffler29 Sep 2022US 2022/0305440 A1Andreas Stihl AG & CO.KG
Most cited
By later US patents
- Method and apparatus for emission control148US 6,314,722 B1Matros Technologies, Inc. · 2001
- High temperature nanofilter, system and method99US 7,052,532 B13M Innovative Properties Company · 2006
- Filter and means for regeneration thereof89US 5,087,272 A1992
- Apparatus for removing soot and NOx in exhaust gas from diesel engines89US 6,772,584 B22004
- Stitch knitted filters for high temperature fluids and method of making them85US 4,181,514 AHuyck Corporation · 1980