F01L 2307/00
Preventing the rotation of tappets
F01L2307/00 (Preventing the rotation of tappets) appears on 205 US grants and 151 published applications in this corpus.
Search patents in F01L- Granted patents
- 205
- Published applications
- 151
- Assignees
- 66
- Inventors
- 322
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 2 |
| 2002 | 5 | 1 |
| 2003 | 1 | 6 |
| 2004 | 5 | 6 |
| 2005 | 6 | 4 |
| 2006 | 7 | 14 |
| 2007 | 9 | 6 |
| 2008 | 7 | 2 |
| 2009 | 1 | 9 |
| 2010 | 6 | 9 |
| 2011 | 5 | 4 |
| 2012 | 8 | 9 |
| 2013 | 6 | 10 |
| 2014 | 11 | 3 |
| 2015 | 2 | 9 |
| 2016 | 4 | 17 |
| 2017 | 16 | 12 |
| 2018 | 19 | 9 |
| 2019 | 8 | 7 |
| 2020 | 4 | 3 |
| 2021 | 5 | 5 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- CDA lifter with hydraulic control feed from outside the engine block10 Jun 2025US 12,326,102 B2Eaton Intelligent Power Limited
- Variable valve train for an engine braking mode13 Aug 2024US 12,060,815 B2Man Truck & Bus AG
- Replacement tappet assembly and kit25 Jun 2024US 12,018,597 B21F Performance, Inc
- Valve lifter anti-rotation device and valve lifter assembly in valve actuation system1 Feb 2022US 11,236,642 B2Caterpillar Inc.
- Valve lifter anti-rotation device having cantilever bridge11 Jan 2022US 11,220,933 B2Caterpillar Inc.
- Roller lifter11 Dec 2025US 2025/0376966 A1Otics Corporation
- Cda lifter with hydraulic control feed from outside the engine block20 Mar 2025US 2025/0092804 A1Eaton Intelligent Power Limited
- Replacement Tappet Assembly and Kit29 Feb 2024US 2024/0068384 A11F Performance, Inc
- Variable valve train for an engine braking mode11 Aug 2022US 2022/0251978 A1Man Truck & Bus AG
- Type iii cam side cylinder deactivation23 Dec 2021US 2021/0396164 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Low mass two-step valve lifter52US 5,431,133 AGeneral Motors Corporation · 1995
- Low mass roller valve lifter assembly45US 5,307,769 AGeneral Motors Corporation · 1994
- Compact valve lifters45US 5,361,733 AGeneral Motors Corporation · 1994
- Engine valve lift mechanism45US 5,934,232 AGeneral Motors Corporation · 1999
- Roller valve lifter anti-rotation guide41US 5,088,455 AMid-American Products, Inc. · 1992