F02D 13/0219
By shifting the phase, i.e. the opening periods of the valves are
Official title: {by shifting the phase, i.e. the opening periods of the valves are constant}
F02D13/0219 (By shifting the phase, i.e. the opening periods of the valves are) appears on 662 US grants and 637 published applications in this corpus.
Search patents in F02D- Granted patents
- 662
- Published applications
- 637
- Assignees
- 104
- Inventors
- 1,227
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 21 | 8 |
| 2002 | 19 | 25 |
| 2003 | 18 | 18 |
| 2004 | 19 | 19 |
| 2005 | 23 | 22 |
| 2006 | 23 | 22 |
| 2007 | 17 | 19 |
| 2008 | 22 | 23 |
| 2009 | 12 | 51 |
| 2010 | 37 | 31 |
| 2011 | 24 | 30 |
| 2012 | 33 | 23 |
| 2013 | 29 | 30 |
| 2014 | 22 | 50 |
| 2015 | 36 | 41 |
| 2016 | 43 | 31 |
| 2017 | 47 | 42 |
| 2018 | 34 | 32 |
| 2019 | 32 | 33 |
| 2020 | 37 | 25 |
| 2021 | 26 | 17 |
| 2022 | 15 | 16 |
| 2023 | 16 | 11 |
| 2024 | 13 | 8 |
| 2025 | 9 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve opening and closing timing control device2 Jun 2026US 12,644,399 B2Aisin Corporation
- Systems and methods for exhaust gas composition management during stochastic pre-ignition mitigation21 Apr 2026US 12,607,149 B2GM Global Technology Operations LLC
- Engine control device14 Oct 2025US 12,442,335 B2Toyota Jidosha Kabushiki Kaisha
- Valve opening and closing timing control device12 Aug 2025US 12,385,421 B2Aisin Corporation
- Exhaust vane braking transition and correction strategy5 Aug 2025US 12,378,923 B1Fca US LLC
- Hydraulic control valve and method of controlling a hybrid cam phaser30 Jul 2026US 2026/0218632 A1
- Oil supply apparatus for engine25 Jun 2026US 2026/0176989 A1Mazda Motor Corporation
- Systems and methods for exhaust gas composition management during stochastic pre-ignition mitigation5 Mar 2026US 2026/0063082 A1GM Global Technology Operations LLC
- Method for starting an internal combustion engine comprising a camshaft associated with an electric variable valve timing device29 Jan 2026US 2026/0028940 A1Schaeffler Technologies AG & Co. KG
- Engine control device7 Aug 2025US 2025/0250944 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Variable valve timing control system80US 6,330,870 B1Denso Corporation · 2001
- Fuel control method and system for engine with variable cam timing76US 5,357,932 AFord Motor Company · 1994
- Engine torque control with desired state estimation76US 7,614,384 B2GM Global Technology Operations LLC · 2009
- Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine71US 7,021,277 B2General Motors Corporation · 2006
- Valve timing control device for an internal combustion engine70US 6,109,225 AToyota Jidosha Kabushiki Kaisha · 2000