F01L 2250/02
The camshaft being driven by chains
Official title: the camshaft being driven by chains
F01L2250/02 (The camshaft being driven by chains) appears on 397 US grants and 436 published applications in this corpus.
Search patents in F01L- Granted patents
- 397
- Published applications
- 436
- Assignees
- 90
- Inventors
- 627
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 7 |
| 2012 | 3 | 10 |
| 2013 | 5 | 18 |
| 2014 | 19 | 18 |
| 2015 | 17 | 22 |
| 2016 | 21 | 50 |
| 2017 | 33 | 64 |
| 2018 | 42 | 56 |
| 2019 | 75 | 58 |
| 2020 | 69 | 56 |
| 2021 | 38 | 37 |
| 2022 | 27 | 11 |
| 2023 | 16 | 5 |
| 2024 | 13 | 7 |
| 2025 | 5 | 4 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Green compact of a stator-cover unit6 Jan 2026US 12,516,614 B2GKN Sinter Metals Engineering GmbH
- Cam phase regulator assembly14 Oct 2025US 12,442,318 B2Schaeffler Technologies AG & Co. KG
- Carrier-less spring loaded planetary gearset used with evct6 Aug 2026US 2026/0226852 A1BorgWarner Inc.
- Variable valve timing mechanism23 Jul 2026US 2026/0210276 A1Subaru Corporation
- Oil supply apparatus for engine25 Jun 2026US 2026/0176989 A1Mazda Motor Corporation
- Interchangeable engine assembly18 Jun 2026US 2026/0168462 A1Arctic Cat Inc.
- Valve open and close period control device29 Jan 2026US 2026/0028922 A1Aisin Corporation
Most cited
By later US patents
- Method for controlling of valve timing of continuous variable valve duration engine18US 9,874,154 B2Hyundai Motor Company · 2018
- Method and device for improving charged engines17US 8,347,857 B2GM Global Technology Operations LLC · 2013
- System and method for controlling valve timing of continuous variable valve duration engine16US 9,863,331 B2Hyundai Motor Company · 2018
- Valve timing adjusting device14US 6,848,401 B2Denso Corporation · 2005
- Camshaft assembly14US 7,287,499 B2Mechadyne PLC · 2007