F02B 37/20
By increasing exhaust energy
Official title: by increasing exhaust energy, e.g. using combustion chamber {by after-burning (using an auxiliary combustion chamber supplied by charging air F02B37/166)}
F02B37/20 (By increasing exhaust energy) appears on 63 US grants and 72 published applications in this corpus.
Search patents in F02B- Granted patents
- 63
- Published applications
- 72
- Assignees
- 45
- Inventors
- 152
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 4 |
| 2011 | 3 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 6 |
| 2014 | 3 | 6 |
| 2015 | 4 | 6 |
| 2016 | 6 | 5 |
| 2017 | 4 | 2 |
| 2018 | 5 | 6 |
| 2019 | 3 | 2 |
| 2020 | 1 | 7 |
| 2021 | 4 | 5 |
| 2022 | 5 | 1 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Anti-lag controlled ignition system11 Mar 2025US 12,247,512 B1GM Global Technology Operations LLC
- Turbocharged engine system and a method of controlling boost pressure6 Aug 2024US 12,055,090 B2Bowman Power Group Limited
- Oxidizing reactor apparatus26 Mar 2024US 11,939,901 B1
- Powerplant and related control system and method5 Mar 2024US 11,920,512 B2Aero Vironment, Inc.
- Method for operating an internal combustion engine, and internal combustion engine28 Nov 2024US 2024/0392732 A1Robert Bosch GmbH
- Powerplant and related control system and method5 Oct 2023US 2023/0313733 A1AeroVironment, Inc.
- A turbocharged engine system and a method of controlling boost pressure11 May 2023US 2023/0146605 A1Bowman Power Group Limited
- Gas engine heat pump24 Feb 2022US 2022/0056837 A1LG Electronics Inc.
- Engine operating method and engine system for improved load step acceptance30 Dec 2021US 2021/0404375 A1Caterpillar Inc.
Most cited
By later US patents
- Diesel gas turbine system and related methods76US 7,886,522 B22011
- Method of and system for power generation by supercharged internal combustion engine31US 4,404,805 ASociete d'Etudes de Machines Thermiques S.E.M.T. · 1983
- Turbocharging device for an internal combustion engine22US 4,474,007 AAB Volvo · 1984
- Turbocharging system for an internal combustion engine22US 4,674,283 ANgk Spark Plug Co., Ltd. · 1987
- Method for engine condition control with turbocompressor controllable bypass17US 6,912,852 B2Electro-Motive Diesel, Inc. · 2005