F02F 2001/245
The valve stems being orientated at an angle with the cylinder axis
Official title: {the valve stems being orientated at an angle with the cylinder axis}
F02F2001/245 (The valve stems being orientated at an angle with the cylinder axis) appears on 888 US grants and 179 published applications in this corpus.
Search patents in F02F- Granted patents
- 888
- Published applications
- 179
- Assignees
- 152
- Inventors
- 1,364
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 11 | 0 |
| 1983 | 1 | 0 |
| 1984 | 19 | 0 |
| 1985 | 29 | 0 |
| 1986 | 27 | 0 |
| 1987 | 50 | 0 |
| 1988 | 37 | 0 |
| 1989 | 31 | 0 |
| 1990 | 42 | 0 |
| 1991 | 39 | 0 |
| 1992 | 39 | 0 |
| 1993 | 34 | 0 |
| 1994 | 29 | 0 |
| 1995 | 25 | 0 |
| 1996 | 24 | 0 |
| 1997 | 32 | 0 |
| 1998 | 45 | 0 |
| 1999 | 48 | 0 |
| 2000 | 38 | 0 |
| 2001 | 52 | 22 |
| 2002 | 46 | 54 |
| 2003 | 53 | 29 |
| 2004 | 36 | 15 |
| 2005 | 16 | 10 |
| 2006 | 10 | 4 |
| 2007 | 4 | 3 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 4 | 3 |
| 2019 | 3 | 3 |
| 2020 | 3 | 14 |
| 2021 | 9 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Internal combustion engine25 Nov 2025US 12,480,436 B2JCB Research
- Cylinder head for a lean-burn gasoline engine18 Feb 2025US 12,228,092 B2Jaguar Land Rover Limited
- Engine and vehicle having the same9 Apr 2024US 11,952,957 B2BYD Company Limited
- Internal combustion engine20 Feb 2024US 11,905,911 B2Toyota Jidosha Kabushiki Kaisha
- Engine valve with raised ring or dimple30 Jan 2024US 11,885,246 B2Caterpillar Inc.
- Engine valve configuration28 Nov 2024US 2024/0392703 A1
- A cylinder head for a lean-burn gasoline engine30 May 2024US 2024/0175406 A1Jaguar Land Rover Limited
- Internal combustion engine4 Jan 2024US 2024/0003313 A1Toyota Jidosha Kabushiki Kaisha
- Gas admission valve (gav) assembly and system and method thereof19 Oct 2023US 2023/0332519 A1Caterpillar Inc.
- Engine and vehicle having the same19 Oct 2023US 2023/0332556 A1BYD Company Limited
Most cited
By later US patents
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989
- In-cylinder direct-injection spark-ignition engine98US 6,138,639 ANissan Motor Co., Ltd. · 2000
- Device for driving electrical current generator for use in motorcycle96US 4,631,469 AHonda Giken Kogyo Kabushiki Kaisha · 1986
- Adjustable (D)-port insert header for internal combustion engines91US 4,302,935 A1981
- Internal combustion engine83US 6,279,550 B12001