F01L 2001/467
Lost motion springs
Official title: {Lost motion springs}
F01L2001/467 (Lost motion springs) appears on 204 US grants and 226 published applications in this corpus.
Search patents in F01L- Granted patents
- 204
- Published applications
- 226
- Assignees
- 44
- Inventors
- 284
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 2 |
| 2011 | 3 | 5 |
| 2012 | 3 | 5 |
| 2013 | 2 | 7 |
| 2014 | 8 | 4 |
| 2015 | 7 | 4 |
| 2016 | 3 | 7 |
| 2017 | 6 | 16 |
| 2018 | 13 | 23 |
| 2019 | 21 | 26 |
| 2020 | 21 | 26 |
| 2021 | 30 | 28 |
| 2022 | 18 | 14 |
| 2023 | 19 | 22 |
| 2024 | 21 | 17 |
| 2025 | 17 | 5 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switchable rocker arm14 Jul 2026US 12,680,480 B2Eaton Intelligent Power Limited
- Combinations and sub combinations of valvetrain assemblies20 Jan 2026US 12,529,329 B2Eaton Intelligent Power Limited
- Castellation assembly, rocker arm, and actuator assembly therefor23 Dec 2025US 12,503,965 B2Eaton Intelligent Power Limited
- Variable valve lift rocker arm assembly25 Nov 2025US 12,480,429 B2Eaton Intelligent Power Limited
- Castellation assembly, rocker arm, and actuator assembly therefor18 Nov 2025US 12,473,847 B2Eaton Intelligent Power Limited
- 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
- Telescopic bridge assembly for rocker arm assembly2 Jul 2026US 2026/0185467 A1Eaton Intelligent Power Limited
- Switchable rocker arms assemblies and methods thereof7 May 2026US 2026/0125994 A1Eaton Intelligent Power Limited
- Valvetrain systems for cylinder deactivation with recharging and methods thereof7 May 2026US 2026/0125995 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
- Single lobe deactivating rocker arm56US 8,215,275 B2Eaton Corporation · 2012
- Two-step roller finger follower55US 7,305,951 B2Delphi Technologies, Inc. · 2007
- Deactivating roller finger follower55US 7,677,213 B2Timken US Corporation · 2010
- Rocker arm assembly and components therefor47US 8,915,225 B2Eaton Corporation · 2014