F02D 41/0002
Controlling intake air
Official title: {Controlling intake air}
F02D41/0002 (Controlling intake air) appears on 7,469 US grants and 7,123 published applications in this corpus.
Search patents in F02D- Granted patents
- 7,469
- Published applications
- 7,123
- Assignees
- 755
- Inventors
- 9,734
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 14 | 0 |
| 1984 | 47 | 0 |
| 1985 | 24 | 0 |
| 1986 | 17 | 0 |
| 1987 | 35 | 0 |
| 1988 | 33 | 0 |
| 1989 | 25 | 0 |
| 1990 | 40 | 0 |
| 1991 | 49 | 0 |
| 1992 | 42 | 0 |
| 1993 | 39 | 0 |
| 1994 | 28 | 0 |
| 1995 | 35 | 0 |
| 1996 | 37 | 0 |
| 1997 | 56 | 0 |
| 1998 | 66 | 0 |
| 1999 | 54 | 0 |
| 2000 | 84 | 0 |
| 2001 | 124 | 59 |
| 2002 | 133 | 143 |
| 2003 | 159 | 164 |
| 2004 | 157 | 191 |
| 2005 | 177 | 234 |
| 2006 | 261 | 262 |
| 2007 | 218 | 245 |
| 2008 | 194 | 257 |
| 2009 | 137 | 325 |
| 2010 | 219 | 267 |
| 2011 | 204 | 317 |
| 2012 | 252 | 308 |
| 2013 | 302 | 338 |
| 2014 | 256 | 344 |
| 2015 | 332 | 449 |
| 2016 | 349 | 462 |
| 2017 | 438 | 501 |
| 2018 | 513 | 488 |
| 2019 | 482 | 411 |
| 2020 | 483 | 403 |
| 2021 | 431 | 324 |
| 2022 | 342 | 222 |
| 2023 | 225 | 145 |
| 2024 | 162 | 101 |
| 2025 | 125 | 91 |
| 2026 | 41 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02D 41/0007For control of turbo-charged or super-charged engines3,413
- F02D 2041/001For engines with variable valve actuationIndexing code2,803
- F02D 41/0005During deceleration311
- F02D 2041/0017By simultaneous control of throttle and exhaust gas recirculationIndexing code289
- F02D 2041/002By simultaneous control of throttle and variable valve actuationIndexing code283
- F02D 2041/0015For engines with means for controlling swirl or tumble flowIndexing code277
- F02D 2041/0022For diesel engines by throttle controlIndexing code139
Recent patents
- Systems and methods for migitating cold start emissions by managing turbocharger turbine speed29 Sep 2026US 12,747,710 B2GM Global Technology Operations LLC
- Varied intake valve operation for improved transient response in gaseous fuel engine22 Sep 2026US 12,742,427 B1Caterpillar Inc.
- Throttle controlled intake system8 Sep 2026US 12,729,656 B2K&N Engineering, Inc.
- Method and a relative apparatus for producing liquified gases8 Sep 2026US 12,729,906 B2Fpt Industrial S.P.A.
- Control of variable geometry turbochargers18 Aug 2026US 12,710,007 B1Caterpillar Inc.
- Controller for internal combustion engine1 Oct 2026US 2026/0298162 A1Toyota Jidosha Kabushiki Kaisha
- Control apparatus for vehicle1 Oct 2026US 2026/0298163 A1Toyota Jidosha Kabushiki Kaisha
- Method and system for controlling the engine torque of an internal combustion engine1 Oct 2026US 2026/0298167 A1Vitesco Technologies GmbH
- Control device for vehicle24 Sep 2026US 2026/0285291 A1Toyota Jidosha Kabushiki Kaisha
- Varied intake valve operation for improved transient response in gaseous fuel engine24 Sep 2026US 2026/0286908 A1Caterpillar Inc.
Most cited
By later US patents
- Hybrid vehicles228US 6,554,088 B2Paice LLC · 2003
- Skip-cycle strategies for four cycle engine202US 5,377,631 AFord Motor Company · 1995
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Vehicle braking control190US 7,930,087 B2Ford Global Technologies, LLC · 2011
- Programmed valve system for internal combustion engine169US 4,009,695 A1977