F01L 2820/045
Valve lift
F01L2820/045 (Valve lift) appears on 60 US grants and 68 published applications in this corpus.
Search patents in F01L- Granted patents
- 60
- Published applications
- 68
- Assignees
- 39
- Inventors
- 148
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 6 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 1 |
| 2013 | 2 | 5 |
| 2014 | 3 | 3 |
| 2015 | 6 | 2 |
| 2016 | 3 | 7 |
| 2017 | 4 | 5 |
| 2018 | 7 | 4 |
| 2019 | 4 | 8 |
| 2020 | 3 | 1 |
| 2021 | 2 | 5 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valvetrain testing using instrumented pushrod9 Sep 2025US 12,410,998 B2Textron Innovations Inc.
- Variable valve apparatus23 Apr 2024US 11,965,436 B2Suzuki Motor Corporation
- Development of a switching roller finger follower for cylinder deactivation in internal combustion engines17 Oct 2023US 11,788,439 B2Eaton Intelligent Power Limited
- Internal combustion engine comprising a decentralized valve-control arrangement and method therefor17 Oct 2023US 11,788,479 B2Freevalve AB
- Vessel valve with purge feature11 Apr 2023US 11,624,446 B1Dynamic Ratings, Inc.
- Method for monitoring the operation of an internal combustion engine, control device designed to carry out a method of this type, and internal combustion engine having a control device of this type13 Jun 2024US 2024/0191670 A1Rolls-Royce Solutions GmbH
- Valvetrain testing using instrumented pushrod6 Jul 2023US 2023/0213325 A1Avco Corporation
- Systems, methods, and devices for rocker arm position sensing20 Apr 2023US 2023/0123988 A1Eaton Intelligent Power Limited
- Internal combustion engine comprising a decentralized valve-control arrangement and method therefor6 Apr 2023US 2023/0103945 A1Freevalve AB
- Variable valve apparatus29 Dec 2022US 2022/0412233 A1Suzuki Motor Corporation
Most cited
By later US patents
- Methods for variable displacement engine diagnostics57US 7,546,827 B1Ford Global Technologie, LLC · 2009
- Rocker arm assembly and components therefor47US 8,915,225 B2Eaton Corporation · 2014
- Sensing and control of a variable valve actuation system43US 8,985,074 B2Eaton Corporation · 2015
- Piston rod piston detector, autotensioner and belt tension adjuster39US 6,666,784 B1Ntn Corporation · 2003
- Custom VVA rocker arms for left hand and right hand orientations39US 9,194,261 B2Eaton Corporation · 2015