F01L 1/182
The rocking arm being pivoted about an individual fulcrum, i.e. not about
Official title: {the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft}
F01L1/182 (The rocking arm being pivoted about an individual fulcrum, i.e. not about) appears on 247 US grants and 193 published applications in this corpus.
Search patents in F01L- Granted patents
- 247
- Published applications
- 193
- Assignees
- 112
- Inventors
- 471
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 5 | 4 |
| 2003 | 9 | 14 |
| 2004 | 10 | 12 |
| 2005 | 9 | 13 |
| 2006 | 9 | 7 |
| 2007 | 7 | 8 |
| 2008 | 4 | 10 |
| 2009 | 4 | 15 |
| 2010 | 8 | 6 |
| 2011 | 5 | 6 |
| 2012 | 8 | 8 |
| 2013 | 8 | 9 |
| 2014 | 8 | 5 |
| 2015 | 9 | 2 |
| 2016 | 4 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 12 |
| 2019 | 6 | 6 |
| 2020 | 13 | 13 |
| 2021 | 12 | 10 |
| 2022 | 9 | 7 |
| 2023 | 5 | 7 |
| 2024 | 5 | 6 |
| 2025 | 7 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic capsule for variable valve actuation4 Aug 2026US 12,698,732 B2Eaton Intelligent Power Limited
- Switchable rocker arm14 Jul 2026US 12,680,480 B2Eaton Intelligent Power Limited
- Rocker arm system for an internal combustion engine valvetrain14 Jul 2026US 12,680,481 B2Manton Pushrods, LLC
- Switchable rocker arm15 Jul 2025US 12,359,592 B2Eaton Intelligent Power Limited
- Rocker arm assemblies17 Jun 2025US 12,331,665 B2Eaton Intelligent Power Limited
- Engine13 Aug 2026US 2026/0235053 A1Ishikawa Energy Research Co., Ltd.
- Rocker arm system for an internal combustion engine valvetrain15 Jan 2026US 2026/0015954 A1Manton Pushrods, LLC
- Switchable rocker arm18 Dec 2025US 2025/0382904 A1Eaton Intelligent Power Limited
- Rocker arm assembly with rotation-locking mechanism29 May 2025US 2025/0172074 A1Eaton Intelligent Power Limited
- Switchable rocker arm26 Dec 2024US 2024/0426228 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Variable compression ratio engine74US 5,682,854 AKomatsu Ltd. · 1997
- Two-step finger follower rocker arm assembly59US 6,668,779 B2Delphi Technologies, Inc. · 2003
- Apparatus for the adjustment of the stroke of a valve actuated by a camshaft50US 6,923,151 B2Meta Motoren-und Energie-Technik GmbH · 2005
- Variable displacement diesel engine46US 5,813,383 A1998
- Variable valve actuation assembly for an internal combustion engine35US 6,591,798 B2Delphi Technologies, Inc. · 2003