F01N 3/2835
Fibrous
Official title: {fibrous}
F01N3/2835 (Fibrous) appears on 105 US grants and 81 published applications in this corpus.
Search patents in F01N- Granted patents
- 105
- Published applications
- 81
- Assignees
- 64
- Inventors
- 233
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 4 |
| 2007 | 1 | 11 |
| 2008 | 4 | 8 |
| 2009 | 9 | 7 |
| 2010 | 2 | 1 |
| 2011 | 4 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 4 |
| 2016 | 3 | 2 |
| 2017 | 2 | 4 |
| 2018 | 5 | 4 |
| 2019 | 4 | 4 |
| 2020 | 0 | 2 |
| 2021 | 4 | 3 |
| 2022 | 3 | 6 |
| 2023 | 3 | 1 |
| 2024 | 5 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Emmission control catalyst article with enriched PGM zone19 Aug 2025US 12,390,764 B2BASF Mobile Emissions Catalysts LLC
- 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.
- Matting, exhaust gas purification device, and method for manufacturing matting9 Jul 2024US 12,031,471 B2Ibiden Co., Ltd.
- Activated porous fibers and products including same21 May 2024US 11,987,914 B2Unifrax I LLC
- Methods of manufacturing green bodies and substrates26 Sep 2024US 2024/0317648 A1
- Catalytically active particle filter having a high degree of filtering efficiency18 Jan 2024US 2024/0017213 A1Umicore AG & Co. KG
- Matting, exhaust gas purification device, and method for manufacturing matting18 Jan 2024US 2024/0018889 A1Ibiden Co., Ltd.
- An emmission control catalyst article with enriched pgm zone19 Jan 2023US 2023/0016066 A1BASF SE
- Catalyst for Use in the Selective Catalytic Reduction (SCR) of Nitrogen Oxides10 Nov 2022US 2022/0355274 A1Umicore AG & Co. KG
Most cited
By later US patents
- Exhaust gas catalytic purifier construction81US 5,569,455 AMazda Motor Corporation · 1996
- Microlith catalytic reaction system77US 5,051,241 A1991
- Particulate trap for diesel engine61US 5,709,722 ASumitomo Electric Industries, Ltd. · 1998
- Ceramic exhaust filter61US 6,946,013 B2GEO2 Technologies, Inc. · 2005
- Nonwoven composites and related products and methods61US 7,785,544 B2GE02 Technologies, Inc. · 2010