F02B 23/0654
Thermal treatments
Official title: {Thermal treatments, e.g. with heating elements or local cooling}
F02B23/0654 (Thermal treatments) appears on 70 US grants and 47 published applications in this corpus.
Search patents in F02B- Granted patents
- 70
- Published applications
- 47
- Assignees
- 45
- Inventors
- 135
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 4 |
| 2007 | 4 | 0 |
| 2008 | 2 | 3 |
| 2009 | 2 | 8 |
| 2010 | 3 | 6 |
| 2011 | 5 | 3 |
| 2012 | 4 | 2 |
| 2013 | 4 | 2 |
| 2014 | 3 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Internal combustion engine with spark plug and prechamber spark plug12 Aug 2025US 12,385,446 B2Robert Bosch GmbH
- Fuel injection system and method22 Oct 2024US 12,123,383 B2Volvo Construction Equipment AB
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture9 Apr 2024US 11,952,936 B1ClearFlame Engines, Inc.
- Compression-ignition internal combustion engine12 Apr 2022US 11,300,046 B2Kabushiki Kaisha Toyota Jidoshokki
- Compressed self-ignition type internal combustion engine5 Apr 2022US 11,293,393 B2Toyota Jddosha Kabushiki Kaisha
- Engine control method, engine, vehicle, and computer-readable storage medium16 Oct 2025US 2025/0320838 A1BYD Company Limited
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture23 Jan 2025US 2025/0027440 A1ClearFlame Engines, Inc.
- Internal Combustion Engine with Spark Plug and Prechamber Spark Plug11 Jul 2024US 2024/0229734 A9Robert Bosch GmbH
- Internal Combustion Engine with Spark Plug and Prechamber Spark Plug25 Apr 2024US 2024/0133350 A1Robert Bosch GmbH
- Fuel injection system and method7 Dec 2023US 2023/0392569 A1Volvo Construction Equipment AB
Most cited
By later US patents
- Flame incubating and propagating apparatus for a fuel combustion system67US 4,721,081 ACaterpillar Inc. · 1988
- Internal combustion engine with injection of gaseous fuel64US 6,854,438 B2Westport Germany GmbH · 2005
- Method and apparatus of fuelling an internal combustion engine with hydrogen and methane41US 8,091,536 B2Westport Power Inc. · 2012
- Compressed natural gas injection system for gaseous fueled engines38US 5,329,908 ACummins Engine Company, Inc. · 1994
- Devices and methods for conditioning or vaporizing liquid fuel in an intermittent combustion engine38US 7,404,395 B22008