F01L 2820/02
Formulas
F01L2820/02 (Formulas) appears on 110 US grants and 110 published applications in this corpus.
Search patents in F01L- Granted patents
- 110
- Published applications
- 110
- Assignees
- 76
- Inventors
- 305
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 5 |
| 2004 | 5 | 5 |
| 2005 | 4 | 8 |
| 2006 | 5 | 3 |
| 2007 | 8 | 6 |
| 2008 | 2 | 3 |
| 2009 | 2 | 7 |
| 2010 | 3 | 6 |
| 2011 | 5 | 3 |
| 2012 | 3 | 3 |
| 2013 | 3 | 2 |
| 2014 | 3 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 6 |
| 2017 | 0 | 4 |
| 2018 | 4 | 12 |
| 2019 | 10 | 4 |
| 2020 | 9 | 6 |
| 2021 | 6 | 11 |
| 2022 | 10 | 5 |
| 2023 | 3 | 0 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen engine10 Feb 2026US 12,546,248 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Sliding member27 Jan 2026US 12,535,020 B2
- Cylinder head for a lean-burn gasoline engine18 Feb 2025US 12,228,092 B2Jaguar Land Rover Limited
- Shift gate, sliding cam system and camshaft9 Jul 2024US 12,031,461 B2thyseenkrupp AG
- High reduction ratio transmission28 May 2024US 11,994,199 B2Maxon International AG
- Hydrogen engine14 Aug 2025US 2025/0257684 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Sliding member20 Mar 2025US 2025/0092806 A1Riken
- A cylinder head for a lean-burn gasoline engine30 May 2024US 2024/0175406 A1Jaguar Land Rover Limited
- A cylinder head for a lean-burn gasoline engine23 May 2024US 2024/0167400 A1Jaguar Land Rover Limited
- Shift gate, sliding cam system and camshaft27 Oct 2022US 2022/0341351 A1thyssenkrupp AG
Most cited
By later US patents
- Variable compression ratio engine74US 5,682,854 AKomatsu Ltd. · 1997
- Self-calibrating variable camshaft timing system70US 5,289,805 ABorg-Warner Automotive Transmission & Engine Components Corporation · 1994
- Planetary cam phaser with worm electric actuator54US 5,680,837 AGeneral Motors Corporation · 1997
- Control system for internal combustion engines39US 5,215,061 AHonda Giken Kogyo Kabushiki Kaisha · 1993
- Apparatus for controlling rotational phase33US 6,129,061 AMazda Motor Corporation · 2000