F01L 1/04
By means of cams, camshafts, cam discs, eccentrics or the like
Official title: by means of cams, camshafts, cam discs, eccentrics or the like (F01L1/10 takes precedence)
F01L1/04 (By means of cams, camshafts, cam discs, eccentrics or the like) appears on 3,616 US grants and 3,248 published applications in this corpus.
Search patents in F01L- Granted patents
- 3,616
- Published applications
- 3,248
- Assignees
- 620
- Inventors
- 5,029
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 24 | 0 |
| 1986 | 29 | 0 |
| 1987 | 40 | 0 |
| 1988 | 45 | 0 |
| 1989 | 37 | 0 |
| 1990 | 42 | 0 |
| 1991 | 46 | 0 |
| 1992 | 43 | 0 |
| 1993 | 45 | 0 |
| 1994 | 26 | 0 |
| 1995 | 30 | 0 |
| 1996 | 40 | 0 |
| 1997 | 44 | 0 |
| 1998 | 52 | 0 |
| 1999 | 39 | 0 |
| 2000 | 36 | 0 |
| 2001 | 79 | 27 |
| 2002 | 88 | 97 |
| 2003 | 80 | 76 |
| 2004 | 75 | 108 |
| 2005 | 98 | 133 |
| 2006 | 92 | 103 |
| 2007 | 91 | 145 |
| 2008 | 94 | 148 |
| 2009 | 77 | 163 |
| 2010 | 115 | 157 |
| 2011 | 115 | 125 |
| 2012 | 114 | 124 |
| 2013 | 125 | 117 |
| 2014 | 135 | 124 |
| 2015 | 113 | 139 |
| 2016 | 116 | 196 |
| 2017 | 149 | 302 |
| 2018 | 213 | 233 |
| 2019 | 264 | 194 |
| 2020 | 238 | 170 |
| 2021 | 155 | 135 |
| 2022 | 121 | 99 |
| 2023 | 69 | 44 |
| 2024 | 69 | 42 |
| 2025 | 43 | 27 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cylinder head cover, and method for installing a cylinder head cover8 Sep 2026US 12,729,634 B2thyssenkrupp AG
- Carrier-less spring loaded planetary gearset used with eVCT8 Sep 2026US 12,729,635 B2BorgWarner Inc.
- Intake over intake engine21 Jul 2026US 12,687,135 B1
- Engine assembly oil management14 Jul 2026US 12,680,519 B2Arctic Cat Inc.
- Variable duration valve train9 Jun 2026US 12,650,087 B1
- Camshaft8 Oct 2026US 2026/0309059 A1Subaru Corporation
- Carrier-less spring loaded planetary gearset used with evct8 Oct 2026US 2026/0309063 A1BorgWarner Inc.
- Engine gear mesh backlash optimization1 Oct 2026US 2026/0298115 A1Deere & Company
- Roller hydraulic valve lifter bearing10 Sep 2026US 2026/0266204 A1Roller Bearing Company of America, Inc.
- Engine13 Aug 2026US 2026/0235053 A1Ishikawa Energy Research Co., Ltd.
Most cited
By later US patents
- 6-cycle engine with regenerator168US 8,186,334 B22012
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989
- Multi-level skip fire100US 9,399,964 B2Tula Technology, Inc. · 2016
- Marine hulls and drives97US 7,984,684 B22011
- Variable camshaft timing for internal combustion engine95US 5,107,804 ABorg-Warner Automotive Transmission & Engine Components Corporation · 1992