F01P 3/14
For cooling intake or exhaust valves
Official title: for cooling intake or exhaust valves
F01P3/14 (For cooling intake or exhaust valves) appears on 73 US grants and 65 published applications in this corpus.
Search patents in F01P- Granted patents
- 73
- Published applications
- 65
- Assignees
- 50
- Inventors
- 192
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 4 |
| 2013 | 3 | 1 |
| 2014 | 3 | 0 |
| 2015 | 0 | 5 |
| 2016 | 0 | 10 |
| 2017 | 2 | 4 |
| 2018 | 5 | 5 |
| 2019 | 6 | 7 |
| 2020 | 7 | 6 |
| 2021 | 8 | 5 |
| 2022 | 6 | 1 |
| 2023 | 4 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Engine system31 Dec 2024US 12,180,867 B2Yanmar Holdings Co., Ltd.
- Engine system11 Jun 2024US 12,006,853 B2Yanmar Holdings Co., Ltd.
- System and method for opposed piston barrel engine4 Jun 2024US 12,000,332 B2
- Methods and systems for cooling arrangement8 Aug 2023US 11,719,183 B2Ford Global Technologies, LLC
- Methods and systems for multi-fuel engine6 Jun 2023US 11,668,218 B2Transportation IP Holdings, LLC
- Engine system6 Mar 2025US 2025/0075647 A1Yanmar Holdings Co., Ltd.
- Engine system28 Mar 2024US 2024/0102406 A1Yanmar Holdings Co., Ltd.
- System and method for opposed piston barrel engine3 Aug 2023US 2023/0243297 A1
- Methods and systems for cooling arrangement11 May 2023US 2023/0142862 A1Ford Global Technologies, LLC
- Engine system11 May 2023US 2023/0147721 A1Yanmar Holdings Co., Ltd.
Most cited
By later US patents
- Internal combustion engine35US 7,069,884 B2Honda Giken Kogyo Kabushiki Kaisha · 2006
- Rotary valved internal combustion engine16US 4,381,737 A1983
- Engine cylinder head cooling arrangement15US 5,890,461 AYamaha Hatsudoki Kabushiki Kaisha · 1999
- Reed valve cooling apparatus for engine14US 6,382,145 B2Kawasaki Jukogyo Kabushiki Kaisha · 2002
- Valve seat inserts13US 4,522,161 AAe PLC · 1985