F02D
Controlling combustion engines
Official title: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W)
F02D (Controlling combustion engines) appears on 45,793 US grants and 35,963 published applications in this corpus.
Search patents in F02D- Granted patents
- 45,793
- Published applications
- 35,963
- Assignees
- 4,111
- Inventors
- 47,048
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 220 | 0 |
| 1977 | 225 | 0 |
| 1978 | 314 | 0 |
| 1979 | 273 | 0 |
| 1980 | 325 | 0 |
| 1981 | 346 | 0 |
| 1982 | 360 | 0 |
| 1983 | 437 | 0 |
| 1984 | 552 | 0 |
| 1985 | 551 | 0 |
| 1986 | 378 | 0 |
| 1987 | 449 | 0 |
| 1988 | 500 | 0 |
| 1989 | 503 | 0 |
| 1990 | 537 | 0 |
| 1991 | 557 | 0 |
| 1992 | 578 | 0 |
| 1993 | 573 | 0 |
| 1994 | 449 | 0 |
| 1995 | 512 | 0 |
| 1996 | 591 | 0 |
| 1997 | 595 | 0 |
| 1998 | 756 | 0 |
| 1999 | 703 | 0 |
| 2000 | 854 | 0 |
| 2001 | 1008 | 340 |
| 2002 | 1077 | 1036 |
| 2003 | 1178 | 1276 |
| 2004 | 1207 | 1378 |
| 2005 | 1181 | 1439 |
| 2006 | 1405 | 1432 |
| 2007 | 1235 | 1488 |
| 2008 | 1085 | 1531 |
| 2009 | 931 | 1800 |
| 2010 | 1204 | 1616 |
| 2011 | 1134 | 1559 |
| 2012 | 1253 | 1576 |
| 2013 | 1416 | 1805 |
| 2014 | 1422 | 1856 |
| 2015 | 1645 | 2061 |
| 2016 | 1757 | 2040 |
| 2017 | 1959 | 1958 |
| 2018 | 1984 | 1892 |
| 2019 | 1979 | 1752 |
| 2020 | 1869 | 1673 |
| 2021 | 1694 | 1238 |
| 2022 | 1401 | 995 |
| 2023 | 986 | 726 |
| 2024 | 779 | 584 |
| 2025 | 578 | 504 |
| 2026 | 288 | 408 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F02D 41/00Electrical control of supply of combustible mixture or its constituents34,746
- F02D 2200/00Input parameters for engine controlIndexing code14,270
- F02D 13/00Controlling the engine output power by varying inlet or exhaust valve operating5,060
- F02D 2250/00Engine control related to specific problems or objectivesIndexing code4,793
- F02D 35/00Controlling engines, dependent on conditions exterior or interior to engines, not otherwise3,777
- F02D 19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels3,647
- F02D 9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits3,616
- F02D 11/00Arrangements for, or adaptations to, non-automatic engine control initiation means3,413
All 27 main groupsShow fewer
- F02D 29/00Controlling engines, such controlling being peculiar to the devices driven thereby, the2,689
- F02D 31/00Use of speed-sensing governors to control combustion engines, not otherwise provided for1,912
- F02D 37/00Non-electrical conjoint control of two or more functions of engines, not otherwise1,708
- F02D 17/00Controlling engines by cutting out individual cylinders1,566
- F02D 2400/00Control systems adapted for specific engine typesIndexing code1,450
- F02D 23/00Controlling engines characterised by their being supercharged1,026
- F02D 15/00Varying compression ratio782
- F02D 1/00Controlling fuel-injection pumps732
- F02D 33/00Controlling delivery of fuel or combustion-air, not otherwise provided for684
- F02D 21/00Controlling engines characterised by their being supplied with non-airborne oxygen or other646
- F02D 43/00Conjoint electrical control of two or more functions432
- F02D 45/00Electrical control not provided for in groups f02d41/00 - f02d43/00325
- F02D 25/00Controlling two or more co-operating engines168
- F02D 2700/00Mechanical control of speed or power of a single cylinder piston engineIndexing code138
- F02D 28/00Program control of engines128
- F02D 7/00Controlling combustion engines: other fuel-injection control113
- F02D 3/00Controlling low-pressure fuel injection, i.e. where the fuel-air mixture containing fuel thus25
- F02D 39/00Controlling combustion engines: other non-electrical control25
- F02D 27/00Controlling engines characterised by their being reversible13
Recent patents
- Controller, vehicle, and control method6 Oct 2026US 12,752,767 B2Isuzu Motors Limited
- Engine device6 Oct 2026US 12,753,713 B2Yanmar Holdings Co., Ltd.
- Engine control system, method for controlling a dual fuel engine, and non-transitory computer-readable medium6 Oct 2026US 12,753,726 B2Cummins Power Generation Inc.
- Fuel tank processing apparatus6 Oct 2026US 12,753,727 B2Subaru Corporation
- Purge valve control method and control device of evaporated fuel processing device6 Oct 2026US 12,753,728 B2Nissan Motor Co., Ltd.
- Multi-fuel engine system and method for controlling same8 Oct 2026US 2026/0309102 A1Hd Hyundai Heavy Industries Co., Ltd.
- Non-intrusive fueling event measurement for fueling systems8 Oct 2026US 2026/0309103 A1Cummins-Scania HPCR System, LLC
- Engine control system and methods8 Oct 2026US 2026/0309111 A1Arctic Cat Inc.
- Control method of aftertreatment system, control program, aftertreatment system, and engine system1 Oct 2026US 2026/0295529 A1Yanmar Holdings Co., Ltd.
- Fuel supply apparatus and engine system1 Oct 2026US 2026/0298159 A1Yanmar Holdings Co., Ltd.
Most cited
By later US patents
- Surgical stapling systems and staple cartridges for deploying surgical staples with tissue compression features2,424US 7,604,151 B2Ethicon Endo-Surgery, Inc. · 2009
- Surgical stapling instruments having a releasable staple-forming pocket2,400US 7,438,209 B1Ethicon Endo-Surgery, Inc. · 2008
- Staple cartridge cavity configurations2,227US 8,590,762 B2Ethicon Endo-Surgery, Inc. · 2013
- Surgical stapling systems and staple cartridges for deploying surgical staples with tissue compression features2,208US 8,186,560 B2Ethicon Endo-Surgery, Inc. · 2012
- Washer for use with a surgical stapling instrument2,143US 7,669,747 B2Ethicon Endo-Surgery, Inc. · 2010