F02D 13/0242
Variable control of the exhaust valves only
Official title: {Variable control of the exhaust valves only}
F02D13/0242 (Variable control of the exhaust valves only) appears on 490 US grants and 469 published applications in this corpus.
Search patents in F02D- Granted patents
- 490
- Published applications
- 469
- Assignees
- 154
- Inventors
- 913
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 5 |
| 2002 | 12 | 10 |
| 2003 | 14 | 12 |
| 2004 | 12 | 10 |
| 2005 | 8 | 15 |
| 2006 | 17 | 20 |
| 2007 | 14 | 20 |
| 2008 | 14 | 13 |
| 2009 | 12 | 21 |
| 2010 | 10 | 22 |
| 2011 | 16 | 21 |
| 2012 | 13 | 19 |
| 2013 | 22 | 17 |
| 2014 | 17 | 24 |
| 2015 | 16 | 19 |
| 2016 | 26 | 29 |
| 2017 | 19 | 23 |
| 2018 | 36 | 39 |
| 2019 | 21 | 28 |
| 2020 | 29 | 26 |
| 2021 | 25 | 16 |
| 2022 | 29 | 19 |
| 2023 | 21 | 13 |
| 2024 | 13 | 9 |
| 2025 | 12 | 8 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cold start catalyst bypass system14 Jul 2026US 12,680,486 B1Fca US LLC
- Controller for internal combustion engine30 Jun 2026US 12,669,079 B2Toyota Jidosha Kabushiki Kaisha
- Oil pan for internal combustion engine3 Mar 2026US 12,565,852 B2Arctic Cat Inc.
- Multi-port exhaust valve17 Feb 2026US 12,553,402 B2Arctic Cat Inc.
- Engine control systems and methods for starting an engine2 Dec 2025US 12,486,816 B2PACCAR Inc
- 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
- Valve lift conversion control mechanism and valve system of engine9 Jul 2026US 2026/0193997 A1Weichai Power Co., Ltd.
- Oil pan for internal combustion engine9 Jul 2026US 2026/0194004 A1Arctic Cat Inc.
- Engine control system and methods19 Mar 2026US 2026/0078710 A1Arctic Cat Inc.
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Combustion engine having exhaust gas recirculation137US 6,742,506 B1Saab Automobile AB · 2004
- Method of controlling reciprocating four-stroke internal combustion engines107US 4,700,684 AFEV Forschungsgesellschaft fur Energietechnik und Verbrennungsmotoren mbH · 1987
- System for controlling a valve mechanism for an internal combustion engine104US 5,398,502 AFuji Jukogyo Kabushiki Kaisha · 1995
- Internal combustion engine having solenoid-operated valves and control method97US 6,332,446 B1Toyota Jidosha Kabushiki Kaisha · 2001