F02D 41/26
Using computer
Official title: using computer, e.g. microprocessor
F02D41/26 (Using computer) appears on 2,993 US grants and 2,441 published applications in this corpus.
Search patents in F02D- Granted patents
- 2,993
- Published applications
- 2,441
- Assignees
- 629
- Inventors
- 5,712
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 26 | 0 |
| 1981 | 48 | 0 |
| 1982 | 44 | 0 |
| 1983 | 38 | 0 |
| 1984 | 52 | 0 |
| 1985 | 60 | 0 |
| 1986 | 34 | 0 |
| 1987 | 24 | 0 |
| 1988 | 34 | 0 |
| 1989 | 31 | 0 |
| 1990 | 44 | 0 |
| 1991 | 46 | 0 |
| 1992 | 42 | 0 |
| 1993 | 32 | 0 |
| 1994 | 22 | 0 |
| 1995 | 27 | 0 |
| 1996 | 37 | 0 |
| 1997 | 27 | 0 |
| 1998 | 29 | 0 |
| 1999 | 31 | 0 |
| 2000 | 27 | 0 |
| 2001 | 38 | 13 |
| 2002 | 37 | 40 |
| 2003 | 45 | 77 |
| 2004 | 53 | 74 |
| 2005 | 69 | 62 |
| 2006 | 78 | 65 |
| 2007 | 66 | 64 |
| 2008 | 47 | 85 |
| 2009 | 45 | 68 |
| 2010 | 62 | 69 |
| 2011 | 48 | 70 |
| 2012 | 52 | 67 |
| 2013 | 68 | 122 |
| 2014 | 65 | 78 |
| 2015 | 75 | 117 |
| 2016 | 98 | 222 |
| 2017 | 174 | 345 |
| 2018 | 295 | 241 |
| 2019 | 240 | 151 |
| 2020 | 172 | 105 |
| 2021 | 127 | 106 |
| 2022 | 101 | 77 |
| 2023 | 74 | 34 |
| 2024 | 43 | 39 |
| 2025 | 31 | 28 |
| 2026 | 13 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method for engine control14 Jul 2026US 12,683,828 B2Vieletech Inc.
- Methods and systems for modulating engine air-fuel ratio during cylinder imbalance diagnostic26 May 2026US 12,637,990 B1Ford Global Technologies, LLC
- Flexible fluid connection for evaporative emissions system12 May 2026US 12,624,674 B2Stoneridge Control Devices, Inc.
- Low resistance exhaust system with correction module for regeneration control5 May 2026US 12,618,353 B1
- Method and device for monitoring and controlling a vehicle engine21 Apr 2026US 12,606,183 B2Vitesco Technologies GmbH
- 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
- 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 operating an internal combustion engine, computer program, control device for an internal combustion engine, combustion engine and method for designing an internal combustion engine20 Aug 2026US 2026/0243211 A1Rolls-Royce Solutions GmbH
- Control Device for Internal Combustion Engine20 Aug 2026US 2026/0243212 A1Hitachi Astemo, Ltd.
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
- 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
- Exhaust gas control using a spark plug ionization signal198US 6,980,903 B2Visteon Global Technologies, Inc. · 2005