F02D 13/0246
Changing valve lift or valve lift and timing
Official title: {changing valve lift or valve lift and timing}
F02D13/0246 (Changing valve lift or valve lift and timing) appears on 154 US grants and 154 published applications in this corpus.
Search patents in F02D- Granted patents
- 154
- Published applications
- 154
- Assignees
- 66
- Inventors
- 305
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 5 |
| 2003 | 3 | 3 |
| 2004 | 4 | 8 |
| 2005 | 4 | 7 |
| 2006 | 8 | 4 |
| 2007 | 7 | 7 |
| 2008 | 5 | 6 |
| 2009 | 6 | 10 |
| 2010 | 4 | 11 |
| 2011 | 7 | 10 |
| 2012 | 5 | 4 |
| 2013 | 9 | 5 |
| 2014 | 4 | 5 |
| 2015 | 4 | 5 |
| 2016 | 7 | 11 |
| 2017 | 6 | 3 |
| 2018 | 11 | 13 |
| 2019 | 6 | 11 |
| 2020 | 9 | 9 |
| 2021 | 10 | 4 |
| 2022 | 9 | 6 |
| 2023 | 6 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for actuating engine valves including a recompression relief valve event8 Apr 2025US 12,270,322 B1Jacobs Vehicle Systems, Inc.
- Method of controlling an exhaust valve arrangement25 Mar 2025US 12,258,913 B2Volvo Truck Corporation
- Method for heating a catalytic converter2 Jul 2024US 12,025,070 B2Volkswagen Aktiengesellschaft
- Method for heating an exhaust gas aftertreatment component, and internal combustion engine7 May 2024US 11,976,604 B2Volkswagen Aktiengesellschaft
- Control device for engine12 Dec 2023US 11,840,976 B2Mazda Motor Corporation
- Deactivation mechanism and associated valve events for divided exhaust boost (deb) engine23 Jul 2026US 2026/0210303 A1Aramco Services Company
- Method for controlling a motor brake of an internal combustion engine23 Jul 2026US 2026/0210304 A1ZF Friedrichshafen AG
- System and method for actuating engine valves including a recompression relief valve event10 Apr 2025US 2025/0116213 A1Jacobs Vehicle Systems, Inc.
- Method of controlling an exhaust valve arrangement2 May 2024US 2024/0141840 A1Volvo Truck Corporation
- Method for heating a catalytic converter28 Mar 2024US 2024/0102427 A1Volkswagen Aktiengesellschaft
Most cited
By later US patents
- Method of improving the efficiency of a supercharged diesel engine71US 4,424,790 ASociete d'Etudes de Machines Thermiques S.E.M.T. · 1984
- Internal combustion engine with stratified charge56US 3,976,039 ARegie Nationale des Usines Renault · 1976
- Valve train apparatus53US 6,439,195 B1Detroit Diesel Corporation · 2002
- Method and system for engine braking in an internal combustion engine with exhaust pressure regulation and turbocharger control41US 6,594,996 B2Diesel Engine Retarders, Inc. · 2003
- Method for controlling the charging pressure at a turbocharged combustion engine, and a corresponding combustion engine38US 6,883,319 B2Saab Automobile AB · 2005