F01L 2001/34453
Locking means between driving and driven members
Official title: {Locking means between driving and driven members}
F01L2001/34453 (Locking means between driving and driven members) appears on 799 US grants and 847 published applications in this corpus.
Search patents in F01L- Granted patents
- 799
- Published applications
- 847
- Assignees
- 102
- Inventors
- 795
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 7 |
| 2002 | 22 | 29 |
| 2003 | 20 | 33 |
| 2004 | 36 | 23 |
| 2005 | 27 | 40 |
| 2006 | 21 | 30 |
| 2007 | 27 | 32 |
| 2008 | 19 | 24 |
| 2009 | 24 | 38 |
| 2010 | 16 | 42 |
| 2011 | 18 | 49 |
| 2012 | 37 | 41 |
| 2013 | 41 | 53 |
| 2014 | 66 | 53 |
| 2015 | 63 | 44 |
| 2016 | 39 | 71 |
| 2017 | 50 | 71 |
| 2018 | 65 | 45 |
| 2019 | 57 | 38 |
| 2020 | 50 | 33 |
| 2021 | 27 | 18 |
| 2022 | 12 | 17 |
| 2023 | 12 | 8 |
| 2024 | 13 | 7 |
| 2025 | 5 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01L 2001/34469Lock movement parallel to camshaft axisIndexing code432
- F01L 2001/34463Locking position intermediate between most retarded and most advanced positionsIndexing code163
- F01L 2001/34466With multiple locking devicesIndexing code160
- F01L 2001/34473Lock movement perpendicular to camshaft axisIndexing code114
- F01L 2001/34456Locking in only one positionIndexing code111
- F01L 2001/34459Locking in multiple positionsIndexing code109
- F01L 2001/34476Restrict range locking meansIndexing code84
Recent patents
- 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
- Fluid control valve unit and valve timing change device9 Sep 2025US 12,410,733 B2Mikuni Corporation
- Hydraulic variable camshaft timing with a temperature based hydraulic switch19 Aug 2025US 12,392,265 B2BorgWarner Inc.
- Valve timing changing device3 Jun 2025US 12,320,278 B2Mikuni Corporation
- Mechanical cam phasing systems and methods6 May 2025US 12,291,983 B2HUSCO Automotive Holdings LLC
- Variable valve timing mechanism23 Jul 2026US 2026/0210276 A1Subaru Corporation
- Fluid control valve unit and valve timing change device28 Nov 2024US 2024/0392705 A1Mikuni Corporation
- Valve timing changing device28 Nov 2024US 2024/0392706 A1Mikuni Corporation
- Camshaft adjustment system for flexibly starting an internal combustion engine, and method for operating a drivetrain29 Aug 2024US 2024/0287921 A1Schaeffler Technologies AG & Co. KG
- Valve timing adjustment system and electronic control device23 May 2024US 2024/0167399 A1Denso Corporation
Most cited
By later US patents
- Device for adjusting an angular phase difference between two elements100US 4,858,572 AAisin Seiki Kabushiki Kaisha · 1989
- System for regulating valve timing of internal combustion engine93US 5,924,395 AToyota Jidosha Kabushiki Kaisha · 1999
- Variable valve timing control system80US 6,330,870 B1Denso Corporation · 2001
- Variable valve timing mechanism for internal combustion engine62US 5,738,056 AToyota Jidosha Kabushiki Kaisha · 1998
- Method for effectively diagnosing the operational state of a variable valve lift device47US 7,063,057 B1Delphi Technologies, Inc. · 2006