F01L 2820/035
Centrifugal forces
F01L2820/035 (Centrifugal forces) appears on 36 US grants and 26 published applications in this corpus.
Search patents in F01L- Granted patents
- 36
- Published applications
- 26
- Assignees
- 18
- Inventors
- 71
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 3 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 3 | 0 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control valve assembly of a variable cam timing phaser6 Jan 2026US 12,516,615 B2Borg-Warner Corporation
- Decompression device and engine14 Oct 2025US 12,442,319 B2Suzuki Motor Corporation
- Compression release mechanism and internal combustion engine including the same28 Feb 2023US 11,591,939 B2Yamaha Hatsudoki Kabushiki Kaisha
- Engine decompression device and engine12 Jul 2022US 11,384,725 B2Honda Motor Co., Ltd.
- Variable valve mechanism, engine, and automatic two-wheeled vehicle30 Jul 2019US 10,364,709 B2Suzuki Motor Corporation
- Control valve assembly of a variable cam timing phaser19 Jun 2025US 2025/0198315 A1Borg-Warner Corporation
- Decompression device and engine9 May 2024US 2024/0151166 A1Suzuki Motor Corporation
- Compression release mechanism and internal combustion engine including the same25 Aug 2022US 2022/0268184 A1Yamaha Hatsudoki Kabushiki Kaisha
- Engine decompression device and engine26 Aug 2021US 2021/0262370 A1Honda Motor Co., Ltd.
- Depressurization device of internal combustion engine4 Jun 2020US 2020/0173415 A1Kwang Yang Motor Co., Ltd.
Most cited
By later US patents
- Camshaft for an internal combustion engine38US 4,332,222 AVolkswagenwerk Aktiengesellschaft · 1982
- Driving apparatus for intake and exhaust valves of internal combustion engine26US 4,708,101 ANissan Motor Co., Ltd. · 1987
- Cam drive mechanism for internal combustion engine22US 4,955,330 A1990
- Cam operating system16US 6,257,190 B12001
- Centrifugal control assembly for camshaft advance and retardation and suppression of cyclical vibration15US 5,609,127 A1997