F02D 2013/0296
Changing the valve lift only
Official title: {Changing the valve lift only}
F02D2013/0296 (Changing the valve lift only) appears on 36 US grants and 29 published applications in this corpus.
Search patents in F02D- Granted patents
- 36
- Published applications
- 29
- Assignees
- 26
- Inventors
- 71
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 4 |
| 2004 | 1 | 6 |
| 2005 | 4 | 0 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 4 |
| 2019 | 3 | 2 |
| 2020 | 3 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable valve device9 Sep 2025US 12,410,734 B2Suzuki Motor Corporation
- Variable valve device13 May 2025US 12,297,756 B2Suzuki Motor Corporation
- Engine valve actuation17 Oct 2023US 11,788,442 B2Jaguar Land Rover Limited
- Variable valve mechanism3 Oct 2023US 11,773,758 B2Kawasaki Jukogyo Kabushiki Kaisha
- Systems and methods for cam profile switch (CPS) assembly22 Nov 2022US 11,506,090 B1Ford Global Technologies, LLC
- Variable valve device3 Apr 2025US 2025/0109698 A1Suzuki Motor Corporation
- Variable valve device3 Apr 2025US 2025/0109700 A1Suzuki Motor Corporation
- Variable valve mechanism26 Jan 2023US 2023/0025775 A1Kawasaki Jukogyo Kabushiki Kaisha
- Engine valve actuation8 Dec 2022US 2022/0389845 A1Jaguar Land Rover Limited
- Engine valve actuation3 Mar 2022US 2022/0065139 A1Jaguar Land Rover Limited
Most cited
By later US patents
- Valve during apparatus and method for internal combustion engine45US 6,374,813 B1Toyota Jidosha Kabushiki Kaisha · 2002
- Pneumatic bistable electronic valve actuator44US 4,878,464 AMagnavox Government and Industrial Electronics Company · 1989
- Ignition timing system for homogeneous charge compression engine29US 6,640,754 B1Yamaha Hatsudoki Kabushiki Kaisha · 2003
- Vacuum management system for engine with variable valve lift28US 6,866,020 B2Delphi Technologies, Inc. · 2005
- Apparatus and method for two-step intake phased engine control system24US 6,615,129 B2Delphi Technologies, Inc. · 2003