F01L 2250/06
The camshaft being driven by gear wheels
Official title: the camshaft being driven by gear wheels
F01L2250/06 (The camshaft being driven by gear wheels) appears on 83 US grants and 91 published applications in this corpus.
Search patents in F01L- Granted patents
- 83
- Published applications
- 91
- Assignees
- 40
- Inventors
- 168
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 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 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 4 | 9 |
| 2017 | 7 | 19 |
| 2018 | 9 | 12 |
| 2019 | 14 | 13 |
| 2020 | 14 | 9 |
| 2021 | 11 | 7 |
| 2022 | 7 | 4 |
| 2023 | 4 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Timing adjuster5 May 2026US 12,618,345 B1
- Mechanically timed cylinder deactivation system24 Sep 2024US 12,098,664 B2Cummins Inc.
- Adjustable reverse rotation camshaft drive mechanism28 May 2024US 11,994,042 B1Neutron Engines LLC
- Harmonic drive and method for producing harmonic drive21 Nov 2023US 11,821,503 B2Schaeffler Technologies AG & Co. KG
- Radial engine-generator with overhead camshaft17 Oct 2023US 11,788,437 B2Unigen Power Inc.
- Engine gear mesh backlash optimization1 Oct 2026US 2026/0298115 A1Deere & Company
- Engine comprising a camshaft timing gear30 Jul 2026US 2026/0218631 A1Lombardini S.R.L.
- Variable valve timing mechanism23 Jul 2026US 2026/0210276 A1Subaru Corporation
- Radial Engine-Generator With Overhead Camshaft29 Dec 2022US 2022/0412231 A1Unigen Power Inc.
- Mechanically timed cylinder deactivation system9 Jun 2022US 2022/0178280 A1Cummins Inc.
Most cited
By later US patents
- Multi-mode control system for variable camshaft timing devices34US 6,453,859 B1BorgWarner Inc. · 2002
- Apparatus for shifting phase between shafts in internal combustion engine18US 5,174,253 AToyota Jidosha Kabushiki Kaisha · 1992
- Electric camshaft adjuster17US 7,673,598 B2Schaeffler KG · 2010
- Method and device for improving charged engines17US 8,347,857 B2GM Global Technology Operations LLC · 2013
- Camshaft adjuster for internal combustion engines of motor vehicles10US 6,871,621 B2Hydraulik-Ring GmbH · 2005