F01L 2800/19
Valves opening several times per stroke
F01L2800/19 (Valves opening several times per stroke) appears on 14 US grants and 18 published applications in this corpus.
Search patents in F01L- Granted patents
- 14
- Published applications
- 18
- Assignees
- 13
- Inventors
- 44
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 4 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other11 Mar 2025US 12,247,502 B2C. R. F. Societa Consortile per Azioni
- Method for controlling lubrication of a connecting rod bearing26 Dec 2023US 11,852,056 B2Volvo Truck Corporation
- Method and system for operating an engine8 Nov 2022US 11,492,990 B2Ford Global Technologies, LLC
- Combustion engine11 Oct 2022US 11,466,640 B2
- Method to perform rebreathe mode transitions1 Jan 2026US 2026/0002481 A1Aramco Services Company
- Systems and Methods for Timing of Valve Lift Events21 Aug 2025US 2025/0264042 A1Eaton Intelligent Power Limited
- Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other16 Jan 2025US 2025/0020072 A1C. R. F. Societa Consortile per Azioni
- Method and system for operating an engine7 Apr 2022US 2022/0106921 A1Ford Global Technologies, LLC
- Improved combustion engine4 Nov 2021US 2021/0340930 A1
Most cited
By later US patents