F02D 41/24
Electrical control of supply of combustible mixture or its constituents: characterised by
Official title: characterised by the use of digital means
F02D41/24 (Electrical control of supply of combustible mixture or its constituents: characterised by) appears on 6,325 US grants and 5,076 published applications in this corpus.
Search patents in F02D- Granted patents
- 6,325
- Published applications
- 5,076
- Assignees
- 899
- Inventors
- 9,975
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 15 | 0 |
| 1978 | 17 | 0 |
| 1979 | 19 | 0 |
| 1980 | 33 | 0 |
| 1981 | 52 | 0 |
| 1982 | 51 | 0 |
| 1983 | 62 | 0 |
| 1984 | 81 | 0 |
| 1985 | 94 | 0 |
| 1986 | 66 | 0 |
| 1987 | 55 | 0 |
| 1988 | 82 | 0 |
| 1989 | 79 | 0 |
| 1990 | 90 | 0 |
| 1991 | 95 | 0 |
| 1992 | 80 | 0 |
| 1993 | 75 | 0 |
| 1994 | 46 | 0 |
| 1995 | 55 | 0 |
| 1996 | 69 | 0 |
| 1997 | 68 | 0 |
| 1998 | 84 | 0 |
| 1999 | 76 | 0 |
| 2000 | 86 | 0 |
| 2001 | 105 | 32 |
| 2002 | 103 | 93 |
| 2003 | 111 | 170 |
| 2004 | 139 | 161 |
| 2005 | 150 | 160 |
| 2006 | 186 | 160 |
| 2007 | 157 | 157 |
| 2008 | 123 | 200 |
| 2009 | 112 | 239 |
| 2010 | 168 | 188 |
| 2011 | 148 | 169 |
| 2012 | 129 | 186 |
| 2013 | 166 | 244 |
| 2014 | 146 | 190 |
| 2015 | 173 | 266 |
| 2016 | 245 | 383 |
| 2017 | 349 | 475 |
| 2018 | 441 | 400 |
| 2019 | 413 | 300 |
| 2020 | 331 | 221 |
| 2021 | 289 | 233 |
| 2022 | 231 | 163 |
| 2023 | 157 | 93 |
| 2024 | 109 | 79 |
| 2025 | 68 | 54 |
| 2026 | 35 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- System and method for adaptive control of air-to-fuel ratio18 Aug 2026US 12,710,014 B2Caterpillar Inc.
- Injector valve force control11 Aug 2026US 12,704,100 B2Caterpillar Inc.
- Method of controlling fuel injection21 Jul 2026US 12,687,134 B2Phinia Delphi Luxembourg Sarl
- Apparatus and method for engine control14 Jul 2026US 12,683,828 B2Vieletech Inc.
- Non-intrusive fueling event measurement for fueling systems8 Oct 2026US 2026/0309103 A1Cummins-Scania HPCR System, LLC
- Method for detecting tuning measures on an internal combustion engine, computer program product, and control unit24 Sep 2026US 2026/0286914 A1
- Method for determining condition of exhaust system, and device for determining condition of exhaust system3 Sep 2026US 2026/0258746 A1Nissan Motor Co., Ltd.
- Verification method for high-speed diesel engine experimental data based on quasi-dimensional combustion model27 Aug 2026US 2026/0251102 A1Beijing Institute of Technology
- Method for processing an electrical signal, and control device for a camshaft adjuster or internal combustion engine for carrying out the method20 Aug 2026US 2026/0243181 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Processor interrupt device for an electronic engine control apparatus710US 4,282,573 AHitachi, Ltd. · 1981
- Flow meter567US 6,874,480 B1Combustion Dynamics Corp. · 2005
- Remote control of engine idling time242US 5,619,412 ACummins Engine Company, Inc. · 1997
- Internal combustion engine control for improved fuel efficiency214US 8,099,224 B2Tula Technology, Inc. · 2012
- Internal combustion engine control for improved fuel efficiency208US 7,577,511 B1Tula Technology, Inc. · 2009