F01L 2013/10
Auxiliary actuators for variable valve timing
Official title: {Auxiliary actuators for variable valve timing}
F01L2013/10 (Auxiliary actuators for variable valve timing) appears on 447 US grants and 465 published applications in this corpus.
Search patents in F01L- Granted patents
- 447
- Published applications
- 465
- Assignees
- 108
- Inventors
- 692
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 5 |
| 2015 | 9 | 12 |
| 2016 | 4 | 31 |
| 2017 | 25 | 56 |
| 2018 | 50 | 55 |
| 2019 | 59 | 61 |
| 2020 | 71 | 61 |
| 2021 | 52 | 55 |
| 2022 | 52 | 47 |
| 2023 | 35 | 27 |
| 2024 | 40 | 18 |
| 2025 | 23 | 15 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-contained compression brake control module for integrated rocker arm engine braking and methods28 Apr 2026US 12,612,869 B2Pacbrake Company
- Rocker arm assembly7 Apr 2026US 12,595,753 B2Eaton Intelligent Power Limited
- Reset valve for compression release brake24 Mar 2026US 12,584,427 B2Cummins Inc.
- Hydraulic lash adjustment-compatible engine braking system with guided bridge arrangement17 Mar 2026US 12,577,892 B2Eaton Intelligent Power Limited
- Internal combustion engine with optimized intake system24 Feb 2026US 12,560,108 B2Dumarey Automotive Italia S.p.A.
- Engine braking device with returning and limiting functions and engine30 Jul 2026US 2026/0218633 A1Zhejiang Liming Intelligent Manufacturing Co., Ltd.
- Variable valve timing mechanism23 Jul 2026US 2026/0210276 A1Subaru Corporation
- Valve lift conversion control mechanism and valve system of engine9 Jul 2026US 2026/0193997 A1Weichai Power Co., Ltd.
- System and method for distinguishing between a timing chain jump and a lock-up of an actuator in a variable valve timing device2 Jul 2026US 2026/0185468 A1Vitesco Technologies GmbH
- Variable valve lift rocker arm assembly5 Mar 2026US 2026/0063058 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Engine valve control mechanism88US 4,203,397 AEaton Corporation · 1980
- Valve operation stopping means for multi-cylinder engine55US 4,576,128 AHonda Giken Kogyo Kabushiki Kaisha · 1986
- Engine valve control system using a latchable rocker arm activated by a solenoid mechanism49US 5,623,897 AEaton Corporation · 1997
- Engine valve mechanism having valve disabling device47US 4,556,025 AMazda Motor Corporation · 1985
- Rocker arm assembly and components therefor47US 8,915,225 B2Eaton Corporation · 2014