F01L 1/143
For use with overhead camshafts
Official title: {for use with overhead camshafts}
F01L1/143 (For use with overhead camshafts) appears on 491 US grants and 309 published applications in this corpus.
Search patents in F01L- Granted patents
- 491
- Published applications
- 309
- Assignees
- 140
- Inventors
- 774
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 16 | 0 |
| 1994 | 20 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 21 | 0 |
| 1998 | 30 | 0 |
| 1999 | 26 | 0 |
| 2000 | 15 | 0 |
| 2001 | 18 | 6 |
| 2002 | 13 | 13 |
| 2003 | 17 | 18 |
| 2004 | 15 | 15 |
| 2005 | 13 | 19 |
| 2006 | 16 | 21 |
| 2007 | 12 | 15 |
| 2008 | 15 | 19 |
| 2009 | 11 | 34 |
| 2010 | 19 | 17 |
| 2011 | 21 | 17 |
| 2012 | 18 | 18 |
| 2013 | 14 | 14 |
| 2014 | 12 | 9 |
| 2015 | 11 | 10 |
| 2016 | 7 | 11 |
| 2017 | 10 | 12 |
| 2018 | 12 | 10 |
| 2019 | 9 | 9 |
| 2020 | 11 | 13 |
| 2021 | 6 | 2 |
| 2022 | 5 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 3 |
| 2025 | 0 | 3 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable duration valve train9 Jun 2026US 12,650,087 B1
- Internal combustion engine with optimized intake system24 Feb 2026US 12,560,108 B2Dumarey Automotive Italia S.p.A.
- Sliding member27 Jan 2026US 12,535,020 B2
- Deactivating valvetrain assembly24 Dec 2024US 12,173,630 B2Eaton Intelligent Power Limited
- Tappet for acting on a pump piston of a high-pressure fuel pump27 Feb 2024US 11,913,415 B2Schaeffler Technologies AG & Co. KG
- Internal combustion engine with optimized intake system4 Dec 2025US 2025/0369374 A1Dumarey Automotive Italia S.p.A.
- Control system for a decompression engine brake29 May 2025US 2025/0172077 A1Stc PLC
- Sliding member20 Mar 2025US 2025/0092806 A1Riken
- Roller tappet assembly19 Sep 2024US 2024/0309835 A1Phinia Delphi Luxembourg Sarl
- Three Valve Cylinder Head Assembly9 May 2024US 2024/0151165 A1
Most cited
By later US patents
- Powertrain component with adherent film having a graded composition132US 5,249,554 AFord Motor Company · 1993
- Powertrain component with adherent amorphous or nanocrystalline ceramic coating system88US 5,309,874 AFord Motor Company · 1994
- Internal combustion engines with combined cam and electro-hydraulic engine valve control86US 5,680,841 ADiesel Engine Retarders, Inc. · 1997
- System and method for controlling the amount of lost motion between an engine valve and a valve actuation means83US 5,829,397 ADiesel Engine Retarders, Inc. · 1998
- Powertrain component with amorphous hydrogenated carbon film73US 5,237,967 AFord Motor Company · 1993