F01L 2820/043
Pressure
F01L2820/043 (Pressure) appears on 51 US grants and 53 published applications in this corpus.
Search patents in F01L- Granted patents
- 51
- Published applications
- 53
- Assignees
- 28
- Inventors
- 118
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 1 | 4 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 4 |
| 2012 | 2 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 3 | 7 |
| 2017 | 5 | 4 |
| 2018 | 6 | 4 |
| 2019 | 3 | 2 |
| 2020 | 5 | 6 |
| 2021 | 7 | 8 |
| 2022 | 4 | 1 |
| 2023 | 3 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Camshaft phaser having non-return valves1 Apr 2025US 12,264,603 B2Schaeffler Technologies AG & Co. KG
- Variable valve timing system3 Oct 2023US 11,773,756 B2Suzuki Motor Corporation
- Method and device for checking the state of the outlet valves of an engine of a motor vehicle19 Sep 2023US 11,761,397 B2Vitesco Technologies GmbH
- Oil passage switching valve and valve timing changing apparatus4 Jul 2023US 11,692,463 B2Mikuni Corporation
- Method for detecting valve leakage in a combustion engine23 Aug 2022US 11,421,618 B2Volvo Car Corporation
- Method to shut down an internal combustion engine27 Aug 2026US 2026/0251095 A1Volvo Truck Corporation
- Camshaft phaser having non-return valves23 Jan 2025US 2025/0027432 A1Schaeffler Technologies AG & Co. KG
- Variable valve timing system10 Aug 2023US 2023/0250741 A1Suzuki Motor Corporation
- Gas exchange in internal combustion engines for increased efficiency29 Jun 2023US 2023/0203981 A1
- Method and Device for Checking the State of the Outlet Valves of an Engine of a Motor Vehicle1 Sep 2022US 2022/0275766 A1Vitesco Technologies GmbH
Most cited
By later US patents
- System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a hydraulic lash adjuster gallery40US 9,016,252 B2Eaton Corporation · 2015
- Custom VVA rocker arms for left hand and right hand orientations39US 9,194,261 B2Eaton Corporation · 2015
- System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a control gallery33US 9,291,075 B2Eaton Corporation · 2016
- Custom VVA rocker arms for left hand and right hand orientations27US 9,664,075 B2Eaton Corporation · 2017
- System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a hydraulic lash adjuster gallery24US 9,644,503 B2Eaton Corporation · 2017