F02D 41/30
Controlling fuel injection
Official title: Controlling fuel injection {(F02D41/182, F02D41/24 take precedence)}
F02D41/30 (Controlling fuel injection) appears on 9,468 US grants and 8,125 published applications in this corpus.
Search patents in F02D- Granted patents
- 9,468
- Published applications
- 8,125
- Assignees
- 1,025
- Inventors
- 12,154
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 22 | 0 |
| 1978 | 18 | 0 |
| 1979 | 26 | 0 |
| 1980 | 24 | 0 |
| 1981 | 30 | 0 |
| 1982 | 30 | 0 |
| 1983 | 49 | 0 |
| 1984 | 65 | 0 |
| 1985 | 91 | 0 |
| 1986 | 64 | 0 |
| 1987 | 64 | 0 |
| 1988 | 77 | 0 |
| 1989 | 71 | 0 |
| 1990 | 63 | 0 |
| 1991 | 75 | 0 |
| 1992 | 90 | 0 |
| 1993 | 87 | 0 |
| 1994 | 45 | 0 |
| 1995 | 65 | 0 |
| 1996 | 82 | 0 |
| 1997 | 64 | 0 |
| 1998 | 143 | 0 |
| 1999 | 148 | 0 |
| 2000 | 200 | 0 |
| 2001 | 248 | 81 |
| 2002 | 247 | 224 |
| 2003 | 275 | 272 |
| 2004 | 253 | 287 |
| 2005 | 247 | 309 |
| 2006 | 328 | 343 |
| 2007 | 296 | 334 |
| 2008 | 280 | 338 |
| 2009 | 183 | 418 |
| 2010 | 294 | 343 |
| 2011 | 261 | 333 |
| 2012 | 267 | 303 |
| 2013 | 279 | 344 |
| 2014 | 263 | 377 |
| 2015 | 264 | 467 |
| 2016 | 404 | 496 |
| 2017 | 463 | 472 |
| 2018 | 489 | 471 |
| 2019 | 519 | 442 |
| 2020 | 490 | 407 |
| 2021 | 450 | 329 |
| 2022 | 352 | 214 |
| 2023 | 239 | 172 |
| 2024 | 183 | 122 |
| 2025 | 110 | 124 |
| 2026 | 63 | 103 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02D 41/38Of the high pressure type5,978
- F02D 41/3011According to or using specific or several modes of combustion2,308
- F02D 41/32Of the low pressure type1,290
- F02D 41/3094The fuel injection being effected by at least two different injectors932
- F02D 41/3005Details not otherwise provided for648
- F02D 41/3082Control of electrical fuel pumps506
- F02D 2041/3088For air assisted injectorsIndexing code36
Recent patents
- Systems and methods for controlling cylinder combustion in a dual fuel engine using in-cylinder pressure sensing8 Sep 2026US 12,729,654 B2Caterpillar Inc.
- System and method of fuel injection mode transitions for an internal combustion engine during cylinder activation and deactivation8 Sep 2026US 12,729,657 B2GM Global Technology Operations LLC
- Gaseous fuel injector diagnostics1 Sep 2026US 12,723,553 B1Cummins Inc.
- Controller for injectors1 Sep 2026US 12,723,554 B2Toyota Jidosha Kabushiki Kaisha
- System and method for adaptive control of air-to-fuel ratio18 Aug 2026US 12,710,014 B2Caterpillar Inc.
- 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.
- Automatic injector cutout tool1 Oct 2026US 2026/0298169 A1Transportation IP Holdings, LLC
- Calibration system and method for fuel injection calibration24 Sep 2026US 2026/0286912 A1Cummins Power Generation Inc.
- Controller for vehicle on-board internal combustion engine24 Sep 2026US 2026/0286913 A1Toyota Jidosha Kabushiki Kaisha
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