F02B 33/443
Heating of charging air
Official title: {Heating of charging air, e.g. for facilitating the starting}
F02B33/443 (Heating of charging air) appears on 50 US grants and 26 published applications in this corpus.
Search patents in F02B- Granted patents
- 50
- Published applications
- 26
- Assignees
- 27
- Inventors
- 94
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 0 | 0 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for coordinating an air blend valve with an intake air heater14 Oct 2025US 12,442,352 B1Saudi Arabian Oil Company
- Method for operating a supercharged internal combustion engine and device for providing combustion air for a supercharged internal combustion engine10 Sep 2024US 12,085,011 B2Liebherr Machines Bulle SA
- Fully flexible, self-optimizing, digital hydraulic engines and methods with preheat6 Dec 2022US 11,519,321 B2Sturman Digital Systems, LLC
- Systems and methods for heating an aftertreatment system26 Apr 2022US 11,313,263 B2Cummins Inc.
- Internal combustion engine system and an exhaust treatment unit for such a system15 Sep 2020US 10,774,712 B2Volvo Truck Corporation
- Method for operating a supercharged internal combustion engine and device for providing combustion air for a supercharged internal combustion engine17 Oct 2024US 2024/0344477 A1Liebherr Machines Bulle SA
- Method for Operating an Internal Combustion Engine of a Motor Vehicle2 Nov 2023US 2023/0349315 A1Mercedes-Benz Group AG
- Method for operating a supercharged internal combustion engine and device for providing combustion air for a supercharged internal combustion engine1 Jun 2023US 2023/0167764 A1Liebherr Machines Bulle SA
- Systems and methods for heating an aftertreatment system14 Jul 2022US 2022/0220877 A1
- Systems and methods for heating an aftertreatment system30 Dec 2021US 2021/0404362 A1Cummins Inc.
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Engine with combustion and expansion of the combustion gases within the combustor155US 6,817,185 B2innogy SE · 2004
- Diesel engine EGR system with exhaust gas conditioning74US 5,440,880 ANavistar International Transportation Corp. · 1995
- Supercharged internal combustion engine and method of operation thereof54US 4,215,550 AMotoren- und Turbinen-Union Friedrichshafen GmbH · 1980
- Method and apparatus for efficiently compressing a gas52US 5,641,273 A1997