F01L 2001/2427
By means of an hydraulic adjusting device located between cam and push
Official title: {by means of an hydraulic adjusting device located between cam and push rod}
F01L2001/2427 (By means of an hydraulic adjusting device located between cam and push) appears on 51 US grants and 54 published applications in this corpus.
Search patents in F01L- Granted patents
- 51
- Published applications
- 54
- Assignees
- 27
- Inventors
- 85
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 3 | 5 |
| 2006 | 6 | 2 |
| 2007 | 3 | 6 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 3 |
| 2017 | 3 | 4 |
| 2018 | 2 | 4 |
| 2019 | 4 | 3 |
| 2020 | 4 | 6 |
| 2021 | 8 | 5 |
| 2022 | 4 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valvetrain testing using instrumented pushrod9 Sep 2025US 12,410,998 B2Textron Innovations Inc.
- CDA lifter with hydraulic control feed from outside the engine block10 Jun 2025US 12,326,102 B2Eaton Intelligent Power Limited
- Transmission control with cylinder deactivation14 Feb 2023US 11,578,673 B2Eaton Intelligent Power Limited
- Cam actuated gas admission valve with electro-hydraulic trim control31 Jan 2023US 11,566,545 B2Caterpillar Inc.
- Valve actuation system comprising in-series lost motion components deployed in a pre-rocker arm valve train component and valve bridge6 Dec 2022US 11,519,307 B2Jacobs Vehicle Systems, Inc.
- Roller hydraulic valve lifter bearing10 Sep 2026US 2026/0266204 A1Roller Bearing Company of America, Inc.
- Cda lifter with hydraulic control feed from outside the engine block20 Mar 2025US 2025/0092804 A1Eaton Intelligent Power Limited
- Valvetrain testing using instrumented pushrod6 Jul 2023US 2023/0213325 A1Avco Corporation
- Roller hydraulic valve lifter bearing20 Oct 2022US 2022/0333505 A1Roller Bearing Company of America, Inc.
- Valve actuation system comprising in-series lost motion components deployed in a pre-rocker arm valve train component and valve bridge22 Sep 2022US 2022/0298935 A1Jacobs Vehicle Systems, Inc.
Most cited
By later US patents
- Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased lifter46US 6,932,041 B1Motive Engineering Co. · 2005
- Two-mode valve actuator system for a diesel engine17US 8,316,809 B1Electro-Mechanical Associates, Inc. · 2012
- Valve lifter assembly for selectively deactivating a cylinder14US 7,673,601 B2Delphi Technologies, Inc. · 2010
- Valve lifter assembly for selectively deactivating a cylinder12US 7,263,956 B2Delphi Technologies, Inc. · 2007
- Engine and valvetrain with dual pushrod lifters and independent lash adjustment10US 7,617,807 B2Ford Global Technologies, LLC · 2009