F01N 13/001
Exhaust gas flow channels or chambers being at least partly formed in
Official title: {Exhaust gas flow channels or chambers being at least partly formed in the structural parts of the engine or machine (using structural parts of the vehicle B60K13/06)}
F01N13/001 (Exhaust gas flow channels or chambers being at least partly formed in) appears on 80 US grants and 58 published applications in this corpus.
Search patents in F01N- Granted patents
- 80
- Published applications
- 58
- Assignees
- 62
- Inventors
- 222
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 2 | 2 |
| 2014 | 0 | 2 |
| 2015 | 4 | 6 |
| 2016 | 5 | 5 |
| 2017 | 2 | 1 |
| 2018 | 5 | 5 |
| 2019 | 2 | 8 |
| 2020 | 5 | 8 |
| 2021 | 7 | 2 |
| 2022 | 4 | 3 |
| 2023 | 4 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust-gas treatment arrangement14 Jul 2026US 12,680,485 B2Purem GmbH
- Outboard motor28 Oct 2025US 12,454,340 B2Yamaha Hatsudoki Kabushiki Kaisha
- Marine drives having steerable gearcase20 May 2025US 12,304,607 B1Brunswick Corporation
- Machine body and working machine14 Jan 2025US 12,195,945 B2Caterpillar SARL
- Outboard motors having steerable lower gearcase23 Apr 2024US 11,964,746 B1Brunswick Corporation
- Handheld work apparatus, and exhaust gas after-treatment unit for a handheld work apparatus, and exhaust muffler9 Oct 2025US 2025/0314190 A1Andreas Stihl AG & CO.KG
- Improvements in or relating to an outboard propulsion system19 Sep 2024US 2024/0308635 A1Caudwell Marine Limited
- Exhaust-gas treatment arrangement6 Jun 2024US 2024/0183297 A1Purem GmbH
- Machine body and working machine20 Apr 2023US 2023/0117708 A1Caterpillar SARL
- Outboard motor2 Feb 2023US 2023/0035557 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Outboard motors having steerable lower gearcase41US 10,800,502 B1Brunswick Corporation · 2020
- Exhaust gas muffler for a two-stroke engine40US 4,890,690 A1990
- Marine propulsion system with a catalyst contained within the body of the engine26US 7,954,314 B1Brunswick Corporation · 2011
- Vehicle exhaust tip assembly24US 7,686,131 B1GM Global Technology Operations LLC · 2010
- Noise reducing device for marine propulsion22US 4,887,692 ASanshin Kogyo Kabushiki Kaisha · 1989