F01L 2001/3443
Solenoid driven oil control valves
Official title: {Solenoid driven oil control valves}
F01L2001/3443 (Solenoid driven oil control valves) appears on 542 US grants and 558 published applications in this corpus.
Search patents in F01L- Granted patents
- 542
- Published applications
- 558
- Assignees
- 110
- Inventors
- 735
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 11 | 10 |
| 2003 | 10 | 21 |
| 2004 | 24 | 20 |
| 2005 | 21 | 29 |
| 2006 | 21 | 17 |
| 2007 | 12 | 20 |
| 2008 | 17 | 31 |
| 2009 | 12 | 20 |
| 2010 | 12 | 27 |
| 2011 | 16 | 17 |
| 2012 | 23 | 19 |
| 2013 | 13 | 30 |
| 2014 | 31 | 16 |
| 2015 | 28 | 28 |
| 2016 | 26 | 37 |
| 2017 | 34 | 48 |
| 2018 | 40 | 44 |
| 2019 | 42 | 31 |
| 2020 | 32 | 32 |
| 2021 | 38 | 22 |
| 2022 | 16 | 16 |
| 2023 | 15 | 13 |
| 2024 | 16 | 2 |
| 2025 | 5 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oil passage control valve and valve timing varying device10 Feb 2026US 12,546,239 B2Mikuni Corporation
- Camshaft adjustment system for flexibly starting an internal combustion engine, and method for operating a drivetrain27 Jan 2026US 12,535,019 B2Schaeffler Technologies AG & Co. KG
- Cam phase regulator assembly14 Oct 2025US 12,442,318 B2Schaeffler Technologies AG & Co. KG
- Fluid control valve unit and valve timing changing device22 Jul 2025US 12,366,181 B2Mikuni Corporation
- Camshaft phaser having non-return valves1 Apr 2025US 12,264,603 B2Schaeffler Technologies AG & Co. KG
- Hydraulic control valve and method of controlling a hybrid cam phaser30 Jul 2026US 2026/0218632 A1
- Variable valve timing mechanism23 Jul 2026US 2026/0210276 A1Subaru Corporation
- Oil supply apparatus for engine25 Jun 2026US 2026/0176989 A1Mazda Motor Corporation
- Cam phase regulator assembly3 Jul 2025US 2025/0215815 A1Schaeffler Technologies AG & Co. KG
- Oil passage control valve and valve timing varying device26 Jun 2025US 2025/0207517 A1Mikuni Corporation
Most cited
By later US patents
- Variable camshaft timing for internal combustion engine95US 5,107,804 ABorg-Warner Automotive Transmission & Engine Components Corporation · 1992
- Variable camshaft timing for internal combustion engine93US 5,002,023 ABorg-Warner Automotive, Inc. · 1991
- Dual-acting apparatus for variable valve timing and the like87US 5,417,186 AClemson University · 1995
- Variable valve timing control system80US 6,330,870 B1Denso Corporation · 2001
- Self-calibrating variable camshaft timing system70US 5,289,805 ABorg-Warner Automotive Transmission & Engine Components Corporation · 1994