F01L 2305/00
Valve arrangements comprising rollers
F01L2305/00 (Valve arrangements comprising rollers) appears on 1,700 US grants and 1,628 published applications in this corpus.
Search patents in F01L- Granted patents
- 1,700
- Published applications
- 1,628
- Assignees
- 294
- Inventors
- 2,097
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 15 | 0 |
| 1994 | 16 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 29 | 0 |
| 1998 | 18 | 0 |
| 1999 | 19 | 0 |
| 2000 | 17 | 0 |
| 2001 | 30 | 21 |
| 2002 | 52 | 43 |
| 2003 | 54 | 49 |
| 2004 | 54 | 92 |
| 2005 | 67 | 93 |
| 2006 | 82 | 88 |
| 2007 | 68 | 97 |
| 2008 | 78 | 71 |
| 2009 | 41 | 92 |
| 2010 | 57 | 66 |
| 2011 | 61 | 57 |
| 2012 | 46 | 37 |
| 2013 | 51 | 41 |
| 2014 | 46 | 38 |
| 2015 | 40 | 53 |
| 2016 | 39 | 89 |
| 2017 | 65 | 112 |
| 2018 | 81 | 94 |
| 2019 | 103 | 87 |
| 2020 | 108 | 94 |
| 2021 | 84 | 65 |
| 2022 | 59 | 42 |
| 2023 | 32 | 29 |
| 2024 | 43 | 39 |
| 2025 | 43 | 26 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switchable rocker arm14 Jul 2026US 12,680,480 B2Eaton Intelligent Power Limited
- Two-wheeled vehicle9 Jun 2026US 12,649,536 B2Indian Motorcycle International, LLC
- Compliance spring mounting method and assembly26 May 2026US 12,637,965 B2Eaton Intelligent Power Limited
- Rocker arm assembly7 Apr 2026US 12,595,753 B2Eaton Intelligent Power Limited
- Rocker arm for brake with integrated hydraulic capsule7 Apr 2026US 12,595,755 B2Eaton Intelligent Power Limited
- Valve bridge anti-dislodgement structures1 Oct 2026US 2026/0298114 A1Eaton Intelligent Power Limited
- 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.
- Engine braking device with returning and limiting functions and engine30 Jul 2026US 2026/0218633 A1Zhejiang Liming Intelligent Manufacturing Co., Ltd.
- Deactivating roller with torsional spring2 Jul 2026US 2026/0185466 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
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989
- Multipositional lift rocker arm assembly97US 6,532,920 B1Ford Global Technologies, LLC · 2003
- Marine hulls and drives97US 7,984,684 B22011
- Internal combustion engines with combined cam and electro-hydraulic engine valve control86US 5,680,841 ADiesel Engine Retarders, Inc. · 1997