F01L 2820/034
Pneumatic engines
F01L2820/034 (Pneumatic engines) appears on 17 US grants and 19 published applications in this corpus.
Search patents in F01L- Granted patents
- 17
- Published applications
- 19
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 3 | 1 |
| 2024 | 2 | 1 |
By publication year.
Recent patents
- Variable valve actuation device for engine26 Nov 2024US 12,152,514 B2Suzhou Sanlin Valteng Automobile Technology Co., Ltd.
- Actuator and method for operating an actuator18 Jun 2024US 12,012,878 B2Freevalve AB
- Camless engine15 Aug 2023US 11,725,548 B2L&T Technology Services Limited
- Internal combustion engine valve system and method11 Apr 2023US 11,624,300 B2
- Internal combustion engine valve system and method10 Jan 2023US 11,549,409 B2
- Variable valve actuation device for engine17 Oct 2024US 2024/0344468 A1Suzhou Sanlin Valteng Automobile Technology Co., Ltd.
- Actuator and method for operating an actuator23 Mar 2023US 2023/0088803 A1Freevalve AB
- Camless engine29 Dec 2022US 2022/0412237 A1L&T Technology Services Limited
- Internal combustion engine valve system and method24 Nov 2022US 2022/0372897 A1Lse R&D Engineering Limited
- Internal combustion engine valve system and method17 Nov 2022US 2022/0364484 A1Lse R&D Engineering Limited
Most cited
By later US patents
- Exhaust gas reflux apparatus for internal combustion engine6US 6,892,714 B2Honda Motor Co., Ltd. · 2005
- Variable engine valve actuation system2US 7,506,624 B2Perkins Engines Company Limited · 2009
- Method and device for the operation of a valve of the combustion chamber of a combustion engine, and a combustion engine1US 8,056,515 B2Cargine Engineering AB · 2011
- Rocker latch for controlling engine valve actuation1US 9,410,455 B2Jacobs Vehicle Systems, Inc. · 2016