F01L 2250/00
Camshaft drives characterised by their transmission means
F01L2250/00 (Camshaft drives characterised by their transmission means) appears on 462 US grants and 512 published applications in this corpus.
Search patents in F01L- Granted patents
- 462
- Published applications
- 512
- Assignees
- 107
- Inventors
- 766
- Latest grant
- 14 Jul 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 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 8 |
| 2012 | 3 | 13 |
| 2013 | 6 | 22 |
| 2014 | 22 | 22 |
| 2015 | 21 | 30 |
| 2016 | 26 | 57 |
| 2017 | 41 | 74 |
| 2018 | 47 | 64 |
| 2019 | 81 | 68 |
| 2020 | 81 | 61 |
| 2021 | 43 | 43 |
| 2022 | 33 | 14 |
| 2023 | 16 | 5 |
| 2024 | 15 | 10 |
| 2025 | 7 | 4 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine assembly oil management14 Jul 2026US 12,680,519 B2Arctic Cat Inc.
- Valve opening and closing timing control device2 Jun 2026US 12,644,399 B2Aisin Corporation
- Timing adjuster5 May 2026US 12,618,345 B1
- Interchangeable engine assembly10 Feb 2026US 12,546,270 B2Arctic Cat Inc.
- Green compact of a stator-cover unit6 Jan 2026US 12,516,614 B2GKN Sinter Metals Engineering GmbH
- Engine gear mesh backlash optimization1 Oct 2026US 2026/0298115 A1Deere & Company
- Carrier-less spring loaded planetary gearset used with evct6 Aug 2026US 2026/0226852 A1BorgWarner Inc.
- Engine comprising a camshaft timing gear30 Jul 2026US 2026/0218631 A1Lombardini S.R.L.
- Variable valve timing mechanism23 Jul 2026US 2026/0210276 A1Subaru Corporation
- Oil supply apparatus for engine25 Jun 2026US 2026/0176989 A1Mazda Motor Corporation
Most cited
By later US patents
- Multi-mode control system for variable camshaft timing devices34US 6,453,859 B1BorgWarner Inc. · 2002
- Pressure fluid supply system for a variable camshaft adjustment20US 5,829,399 AIna Walzlager Schaeffler oHG · 1998
- Apparatus for shifting phase between shafts in internal combustion engine18US 5,174,253 AToyota Jidosha Kabushiki Kaisha · 1992
- Method for controlling of valve timing of continuous variable valve duration engine18US 9,874,154 B2Hyundai Motor Company · 2018
- Electric camshaft adjuster17US 7,673,598 B2Schaeffler KG · 2010