F02B 77/085
With sensors measuring combustion processes
Official title: {with sensors measuring combustion processes, e.g. knocking, pressure, ionization, combustion flame}
F02B77/085 (With sensors measuring combustion processes) appears on 211 US grants and 224 published applications in this corpus.
Search patents in F02B- Granted patents
- 211
- Published applications
- 224
- Assignees
- 118
- Inventors
- 586
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 7 |
| 2002 | 3 | 2 |
| 2003 | 6 | 9 |
| 2004 | 4 | 8 |
| 2005 | 5 | 9 |
| 2006 | 10 | 6 |
| 2007 | 4 | 8 |
| 2008 | 3 | 6 |
| 2009 | 5 | 3 |
| 2010 | 5 | 5 |
| 2011 | 2 | 4 |
| 2012 | 1 | 2 |
| 2013 | 3 | 18 |
| 2014 | 2 | 6 |
| 2015 | 4 | 12 |
| 2016 | 12 | 24 |
| 2017 | 15 | 22 |
| 2018 | 19 | 10 |
| 2019 | 7 | 13 |
| 2020 | 13 | 15 |
| 2021 | 17 | 12 |
| 2022 | 9 | 6 |
| 2023 | 3 | 3 |
| 2024 | 5 | 5 |
| 2025 | 5 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine cylinder head with temperature-reducing pressure sensor bore3 Mar 2026US 12,565,853 B2Caterpillar Inc.
- Internal combustion engine misfire detecting device and misfire detecting method13 Jan 2026US 12,523,170 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Carbon monoxide detecting system for internal combustion engine-based machines23 Dec 2025US 12,503,984 B2Generac Power Systems, Inc.
- Hydrogen-oxygen cycle engine and using method therefor22 Jul 2025US 12,366,198 B2
- Systems and methods for in-cylinder engine pressure sensor cooling15 Jul 2025US 12,359,605 B1Caterpillar Inc.
- Carbon monoxide detecting system for internal combustion engine-based machines23 Jul 2026US 2026/0210305 A1Generac Power Systems, Inc.
- Misfire detection device and misfire detection method of internal combustion engine11 Jun 2026US 2026/0160202 A1Mikuni Corporation
- Internal combustion engines and cylinder heads configured for in-cylinder pressure sensors12 Mar 2026US 2026/0071570 A1Cummins Inc.
- Sensor and evaluation device, control environment and method for detecting misfiring, and internal combustion engine having the sensor and evaluation device and/or control environment5 Mar 2026US 2026/0063066 A1Rolls-Royce Solutions GmbH
- Engine cylinder head with temperature-reducing pressure sensor bore25 Dec 2025US 2025/0389222 A1Caterpillar Inc.
Most cited
By later US patents
- Optoelectronic measuring device for monitoring a combustion chamber127US 5,384,467 AAVL Gesellschaft fur Verbrennungskraftmaschinen und Messtechnik m.b.H. Prof. Dr. Dr. h.c. Hans List · 1995
- Method and apparatus for monitoring the activity of catalytic reactors112US 3,969,932 ARobert Bosch GmbH · 1976
- Compression ignition internal combustion engine48US 6,739,295 B1Hitachi, Ltd. · 2004
- Abnormality warning system for a direct fuel injection engine41US 5,241,933 AFuji Jukogyo Kabushiki Kaisha · 1993
- Method for monitoring the catalytic activity of a catalytic converter in the exhaust gas system of an internal combustion engine33US 5,428,956 AEMITEC Gesellschaft fuer Emissionstechnologie mbH · 1995