F01L 1/185
Overhead end-pivot rocking arms
Official title: {Overhead end-pivot rocking arms}
F01L1/185 (Overhead end-pivot rocking arms) appears on 1,133 US grants and 1,087 published applications in this corpus.
Search patents in F01L- Granted patents
- 1,133
- Published applications
- 1,087
- Assignees
- 205
- Inventors
- 1,423
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 17 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 21 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 14 | 10 |
| 2002 | 15 | 12 |
| 2003 | 22 | 19 |
| 2004 | 15 | 29 |
| 2005 | 22 | 31 |
| 2006 | 32 | 45 |
| 2007 | 39 | 56 |
| 2008 | 41 | 61 |
| 2009 | 26 | 84 |
| 2010 | 49 | 62 |
| 2011 | 61 | 55 |
| 2012 | 49 | 44 |
| 2013 | 48 | 45 |
| 2014 | 47 | 36 |
| 2015 | 50 | 46 |
| 2016 | 33 | 79 |
| 2017 | 61 | 79 |
| 2018 | 59 | 72 |
| 2019 | 76 | 59 |
| 2020 | 76 | 64 |
| 2021 | 58 | 40 |
| 2022 | 29 | 16 |
| 2023 | 16 | 14 |
| 2024 | 19 | 13 |
| 2025 | 16 | 10 |
| 2026 | 6 | 6 |
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
- Rocker arm assembly7 Apr 2026US 12,595,753 B2Eaton Intelligent Power Limited
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- Variable valve device24 Mar 2026US 12,584,426 B2Suzuki Motor Corporation
- Oil pan for internal combustion engine3 Mar 2026US 12,565,852 B2Arctic Cat Inc.
- Engine13 Aug 2026US 2026/0235053 A1Ishikawa Energy Research Co., Ltd.
- Deactivation mechanism and associated valve events for divided exhaust boost (deb) engine23 Jul 2026US 2026/0210303 A1Aramco Services Company
- Oil pan for internal combustion engine9 Jul 2026US 2026/0194004 A1Arctic Cat Inc.
- Cylinder head structure for internal combustion engine25 Jun 2026US 2026/0176988 A1
- System for Synchronizing Switching Between Two Rockers26 Feb 2026US 2026/0055713 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Finger follower rocker arm with engine valve deactivator136US 5,544,626 AFord Motor Company · 1996
- Multipositional lift rocker arm assembly97US 6,532,920 B1Ford Global Technologies, LLC · 2003
- Marine hulls and drives97US 7,984,684 B22011
- Engine valve control mechanism88US 4,151,817 AEaton Corporation · 1979
- Engine valve control mechanism88US 4,203,397 AEaton Corporation · 1980