F01L 1/34413
Using composite camshafts
Official title: {using composite camshafts, e.g. with cams being able to move relative to the camshaft}
F01L1/34413 (Using composite camshafts) appears on 110 US grants and 106 published applications in this corpus.
Search patents in F01L- Granted patents
- 110
- Published applications
- 106
- Assignees
- 43
- Inventors
- 195
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 6 |
| 2007 | 6 | 5 |
| 2008 | 1 | 4 |
| 2009 | 2 | 3 |
| 2010 | 5 | 9 |
| 2011 | 0 | 4 |
| 2012 | 6 | 6 |
| 2013 | 4 | 3 |
| 2014 | 7 | 4 |
| 2015 | 8 | 11 |
| 2016 | 2 | 5 |
| 2017 | 8 | 18 |
| 2018 | 8 | 7 |
| 2019 | 13 | 8 |
| 2020 | 8 | 5 |
| 2021 | 5 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
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
- Actuation system for an internal combustion engine4 Mar 2025US 12,241,390 B2Board of Trustees of Michigan State University
- Valve train device31 Dec 2024US 12,180,862 B2Ktm AG
- Concentric camshaft for variable valve timing and method of manufacturing by metal additive process and disintegrable barrier to preserve interstitial void spaces and method of removal8 Oct 2024US 12,110,813 B1
- Camshaft for internal-combustion engine29 Aug 2023US 11,739,685 B2
- Oil passage control valve and valve timing varying device26 Jun 2025US 2025/0207517 A1Mikuni Corporation
- Valve train device25 Jul 2024US 2024/0247599 A1Ktm AG
- Actuation System For An Internal Combustion Engine27 Jun 2024US 2024/0209759 A1Board of Trustees of Michigan State University
- Camshaft for internal-combustion engine17 Mar 2022US 2022/0082048 A1
- Camshaft arrangement13 May 2021US 2021/0140349 A1ECO Holding 1 GmbH
Most cited
By later US patents
- Method for continuous camlobe phasing60US 4,771,742 AClemson University · 1988
- Method of reducing pumping losses and improving brake specific fuel consumption for an internal combustion engine43US 4,917,058 AClemson University · 1990
- Camshaft for an internal combustion engine38US 4,332,222 AVolkswagenwerk Aktiengesellschaft · 1982
- Camshaft assembly with shaft elements positioned one inside the other and method of producing same38US 5,664,463 A1997
- Variable valve actuating apparatus31US 5,253,546 AClemson University · 1993