F01L 1/146
Push-rods
Official title: {Push-rods}
F01L1/146 (Push-rods) appears on 581 US grants and 555 published applications in this corpus.
Search patents in F01L- Granted patents
- 581
- Published applications
- 555
- Assignees
- 181
- Inventors
- 909
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 18 | 2 |
| 2002 | 11 | 20 |
| 2003 | 22 | 19 |
| 2004 | 17 | 31 |
| 2005 | 32 | 62 |
| 2006 | 43 | 50 |
| 2007 | 43 | 51 |
| 2008 | 32 | 27 |
| 2009 | 19 | 25 |
| 2010 | 17 | 14 |
| 2011 | 18 | 14 |
| 2012 | 14 | 17 |
| 2013 | 15 | 15 |
| 2014 | 20 | 11 |
| 2015 | 10 | 18 |
| 2016 | 8 | 29 |
| 2017 | 22 | 23 |
| 2018 | 20 | 17 |
| 2019 | 20 | 21 |
| 2020 | 25 | 17 |
| 2021 | 19 | 22 |
| 2022 | 18 | 15 |
| 2023 | 13 | 14 |
| 2024 | 7 | 8 |
| 2025 | 16 | 7 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable displacement valvetrain systems with rocker shaft porting and insert sleeves for engine cylinder deactivation22 Sep 2026US 12,742,403 B2GM Global Technology Operations LLC
- Internal combustion engine with optimized intake system24 Feb 2026US 12,560,108 B2Dumarey Automotive Italia S.p.A.
- Integrated rocker for engine braking with hydraulic lash adjuster24 Feb 2026US 12,560,111 B2Eaton Intelligent Power Limited
- Hydrogen engine10 Feb 2026US 12,546,248 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Combinations and sub combinations of valvetrain assemblies20 Jan 2026US 12,529,329 B2Eaton Intelligent Power Limited
- Engine13 Aug 2026US 2026/0235053 A1Ishikawa Energy Research Co., Ltd.
- Cylinder head structure for internal combustion engine25 Jun 2026US 2026/0176988 A1
- Overhead Valve Internal Combustion Engine28 May 2026US 2026/0146547 A1
- Opposed-piston engine26 Mar 2026US 2026/0085630 A1Kubota Corporation
- Rocker arm system for an internal combustion engine valvetrain15 Jan 2026US 2026/0015954 A1Manton Pushrods, LLC
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Marine hulls and drives97US 7,984,684 B22011
- Internal combustion engine83US 6,279,550 B12001
- Hydraulically actuated valve deactivating roller follower68US 6,196,175 B1Eaton Corporation · 2001
- Hydraulically actuated latching valve deactivation56US 6,321,704 B1Eaton Corporation · 2001