F02M 25/0227
Control aspects
Official title: {Control aspects; Arrangement of sensors; Diagnostics; Actuators}
F02M25/0227 (Control aspects) appears on 259 US grants and 244 published applications in this corpus.
Search patents in F02M- Granted patents
- 259
- Published applications
- 244
- Assignees
- 109
- Inventors
- 465
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 4 |
| 2003 | 6 | 6 |
| 2004 | 7 | 8 |
| 2005 | 1 | 7 |
| 2006 | 5 | 6 |
| 2007 | 8 | 16 |
| 2008 | 9 | 8 |
| 2009 | 5 | 6 |
| 2010 | 8 | 8 |
| 2011 | 6 | 8 |
| 2012 | 3 | 7 |
| 2013 | 6 | 7 |
| 2014 | 10 | 12 |
| 2015 | 8 | 5 |
| 2016 | 6 | 11 |
| 2017 | 5 | 16 |
| 2018 | 19 | 30 |
| 2019 | 30 | 17 |
| 2020 | 15 | 16 |
| 2021 | 20 | 14 |
| 2022 | 7 | 11 |
| 2023 | 7 | 9 |
| 2024 | 9 | 0 |
| 2025 | 2 | 5 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for injecting condensate in cylinder of a reciprocating engine21 Apr 2026US 12,607,151 B2Innio Jenbacher GmbH & Co OG
- Hydrogen-fueled four-stroke internal combustion engine29 Jul 2025US 12,372,025 B2Dma Tech S.à R.L.
- Methods and devices for reducing NOx emissions produced by diesel engines11 Feb 2025US 12,221,942 B2
- Method of controlling water injection in an internal combustion engine22 Oct 2024US 12,123,365 B2Plastic Omnium Advanced Innovation and Research
- Split cycle internal combustion engine provided with a water injection30 Apr 2024US 11,970,966 B2Dolphin N2 Limited
- Systems and method for managing temperature in an engine of a vehicle13 Aug 2026US 2026/0235083 A1Brp-Rotax GmbH & Co. KG
- Methods and Devices for Reducing NOx Emissions Produced by Diesel Engines2 Jul 2026US 2026/0185497 A1
- Method for controlling the injection of coolant into an internal combustion engine of a motor vehicle and related vehicle and computer program product25 Jun 2026US 2026/0177021 A1Ferrari S.P. A.
- Method for diagnosing a water injection system of an internal combustion engine of a hybrid electric vehicle, and hybrid electric vehicle19 Feb 2026US 2026/0049586 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Method for operating an internal combustion engine, and internal combustion engine19 Feb 2026US 2026/0051207 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Apparatus and method for reducing emissions in a dual combustion mode diesel engine156US 5,875,743 ASouthwest Research Institute · 1999
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989
- Water injection amount control system for fuel and water injection engine89US 6,112,705 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 2000
- Method of hydrating the intake air of an internal combustion engine86US 6,698,387 B12004