F01N 3/2867
The mats or gaskets being placed at the front or end face
Official title: {the mats or gaskets being placed at the front or end face of catalyst body}
F01N3/2867 (The mats or gaskets being placed at the front or end face) appears on 126 US grants and 43 published applications in this corpus.
Search patents in F01N- Granted patents
- 126
- Published applications
- 43
- Assignees
- 64
- Inventors
- 221
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 4 |
| 2006 | 0 | 3 |
| 2007 | 1 | 3 |
| 2008 | 3 | 1 |
| 2009 | 0 | 4 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 4 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 4 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 4 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 3 | 0 |
By publication year. Applications have been published since 2001.
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.
- Element frame assemblies containing monoliths9 Jan 2024US 11,867,110 B2
- Support assembly10 Oct 2023US 11,781,460 B2Purem GmbH
- Exhaust gas control apparatus for internal combustion engine3 Nov 2020US 10,823,027 B2Toyota Jidosha Kabushiki Kaisha
- Support assembly18 Aug 2022US 2022/0260000 A1Purem GmbH
- Inorganic Fiber-Formed Article, Mat for Exhaust Gas Cleaning Apparatus, and Exhaust Gas Cleaning Apparatus2 Jun 2022US 2022/0170404 A1Mitsubishi Chemical Corporation
- Inorganic fiber-formed article, mat for exhaust gas cleaning apparatus, and exhaust gas cleaning apparatus13 Jan 2022US 2022/0010470 A1Mitsubishi Chemical Corporation
- Element frame assemblies containing monoliths3 Jun 2021US 2021/0164379 A1Johnson Matthey Catalysts (Germany) GMBH
- Exhaust gas control apparatus for internal combustion engine30 Apr 2020US 2020/0131964 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Catalytic apparatus84US 4,142,864 AEngelhard Minerals & Chemicals Corporation · 1979
- Catalytic converter for motorcycles73US 5,376,341 ACorning Incorporated · 1994
- Vertical mount catalytic converter muffler73US 5,808,245 ADonaldson Company, Inc. · 1998
- Catalytic converter with metallic carrier and method for producing same65US 5,094,074 ANissan Motor Co., Ltd. · 1992
- Series combination catalytic converter65US 5,611,198 ACaterpillar Inc. · 1997