F02F 1/243
Cylinder heads and inlet or exhaust manifolds integrally cast together
Official title: {Cylinder heads and inlet or exhaust manifolds integrally cast together}
F02F1/243 (Cylinder heads and inlet or exhaust manifolds integrally cast together) appears on 225 US grants and 204 published applications in this corpus.
Search patents in F02F- Granted patents
- 225
- Published applications
- 204
- Assignees
- 69
- Inventors
- 445
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 7 |
| 2002 | 4 | 6 |
| 2003 | 7 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 6 |
| 2008 | 1 | 4 |
| 2009 | 4 | 10 |
| 2010 | 4 | 9 |
| 2011 | 7 | 13 |
| 2012 | 7 | 21 |
| 2013 | 10 | 18 |
| 2014 | 18 | 12 |
| 2015 | 22 | 15 |
| 2016 | 9 | 7 |
| 2017 | 10 | 14 |
| 2018 | 5 | 7 |
| 2019 | 17 | 11 |
| 2020 | 7 | 18 |
| 2021 | 17 | 10 |
| 2022 | 11 | 7 |
| 2023 | 6 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine device15 Apr 2025US 12,276,217 B2Yanmar Power Technology Co., Ltd.
- Cylinder head for internal combustion engine4 Feb 2025US 12,215,650 B2Cummins Inc.
- Cylinder head with integrated turbocharger1 Oct 2024US 12,104,520 B2Fca US LLC
- Cylinder head with integrated turbocharger3 Sep 2024US 12,078,078 B2Fca US LLC
- Engine device13 Feb 2024US 11,898,479 B2Yanmar Power Technology Co., Ltd.
- Cylinder head4 Jun 2026US 2026/0153061 A1Toyota Jidosha Kabushiki Kaisha
- Engine Device11 Jul 2024US 2024/0229694 A9Yanmar Power Technology Co., Ltd.
- Cylinder head for internal combustion engine27 Jun 2024US 2024/0209810 A1Cummins Inc.
- Engine Device25 Apr 2024US 2024/0133325 A1Yanmar Power Technology Co., Ltd.
- Cylinder head for internal combustion engine2 Nov 2023US 2023/0349341 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Controlling exhaust gas flow divided between turbocharging and exhaust gas recirculating56US 8,495,992 B2BorgWarner Inc. · 2013
- Turbo-charged engine45US 4,993,227 AYamaha Hatsudoki Kabushiki Kaisha · 1991
- Marine propulsion unit38US 5,513,606 ASanshin Kogyo Kabushiki Kaisha · 1996
- Cylinder head structure in multi-cylinder engine38US 6,513,506 B1Honda Giken Kogyo Kabushiki Kaisha · 2003
- Turbocharged engine cylinder head internal cooling33US 7,784,442 B2GM Global Technology Operations LLC · 2010