F01N 3/046
Exhaust manifolds with cooling jacket
Official title: {Exhaust manifolds with cooling jacket}
F01N3/046 (Exhaust manifolds with cooling jacket) appears on 235 US grants and 151 published applications in this corpus.
Search patents in F01N- Granted patents
- 235
- Published applications
- 151
- Assignees
- 89
- Inventors
- 448
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 8 |
| 2002 | 9 | 6 |
| 2003 | 11 | 4 |
| 2004 | 2 | 7 |
| 2005 | 6 | 3 |
| 2006 | 7 | 3 |
| 2007 | 3 | 6 |
| 2008 | 2 | 1 |
| 2009 | 3 | 5 |
| 2010 | 5 | 4 |
| 2011 | 3 | 5 |
| 2012 | 0 | 15 |
| 2013 | 10 | 13 |
| 2014 | 10 | 8 |
| 2015 | 15 | 7 |
| 2016 | 10 | 12 |
| 2017 | 17 | 6 |
| 2018 | 5 | 5 |
| 2019 | 11 | 6 |
| 2020 | 10 | 8 |
| 2021 | 9 | 6 |
| 2022 | 8 | 7 |
| 2023 | 6 | 3 |
| 2024 | 4 | 2 |
| 2025 | 5 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Exhaust manifold assembly for internal combustion engine5 Aug 2025US 12,378,906 B1Caterpillar Inc.
- Marine vessel and exhaust manifold for marine vessel22 Jul 2025US 12,366,189 B2Yamaha Hatsudoki Kabushiki Kaisha
- V-type engine, outboard motor, and ship6 May 2025US 12,291,988 B2Honda Motor Co., Ltd.
- Exhaust assembly temperature regulation for shutdown25 Feb 2025US 12,234,758 B1Caterpillar Inc.
- V-type engine, outboard motor, and ship18 Feb 2025US 12,228,058 B2Honda Motor Co., Ltd.
- Marine vessel and exhaust manifold for marine vessel29 May 2025US 2025/0172081 A1Yamaha Hatsudoki Kabushiki Kaisha
- V-type engine, outboard motor, and ship6 Jun 2024US 2024/0183295 A1Honda Motor Co., Ltd.
- V-type engine, outboard motor, and ship9 May 2024US 2024/0151172 A1Honda Motor Co., Ltd.
- Catalyst device5 Oct 2023US 2023/0313722 A1Toyota Jidosha Kabushiki Kaisha
- Exhaust coolant system and method27 Jul 2023US 2023/0235693 A1Cummins Inc.
Most cited
By later US patents
- Heat isolated catalytic reactor56US 5,488,826 ADry Systems Technologies · 1996
- Exhaust gas cleaning system for a marine propulsion unit46US 5,212,949 ASanshin Kogyo Kabushiki Kaisha · 1993
- Marine propulsion device with improved catalyst support arrangement46US 5,408,827 AOutboard Marine Corporation · 1995
- Watercooled exhaust manifold and method of making same39US 4,179,884 ACaterpillar Tractor Co. · 1979
- Exhaust cleaning system for marine propulsion engine38US 5,366,401 ASanshin Kogyo Kabushiki Kaisha · 1994