F02B 29/0412
Multiple heat exchangers arranged in parallel or in series
Official title: {Multiple heat exchangers arranged in parallel or in series}
F02B29/0412 (Multiple heat exchangers arranged in parallel or in series) appears on 373 US grants and 415 published applications in this corpus.
Search patents in F02B- Granted patents
- 373
- Published applications
- 415
- Assignees
- 181
- Inventors
- 887
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 9 | 9 |
| 2003 | 7 | 14 |
| 2004 | 10 | 15 |
| 2005 | 14 | 22 |
| 2006 | 7 | 18 |
| 2007 | 15 | 29 |
| 2008 | 15 | 23 |
| 2009 | 6 | 22 |
| 2010 | 10 | 16 |
| 2011 | 13 | 27 |
| 2012 | 17 | 21 |
| 2013 | 25 | 14 |
| 2014 | 13 | 36 |
| 2015 | 17 | 22 |
| 2016 | 21 | 23 |
| 2017 | 20 | 18 |
| 2018 | 21 | 19 |
| 2019 | 10 | 16 |
| 2020 | 22 | 13 |
| 2021 | 13 | 10 |
| 2022 | 6 | 6 |
| 2023 | 7 | 9 |
| 2024 | 11 | 4 |
| 2025 | 4 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and a method for reducing hydrogen knocking in a hydrogen internal combustion engine2 Jun 2026US 12,644,424 B1United Arab Emirates University
- System and a method for reducing hydrogen knocking in a hydrogen internal combustion engine20 Jan 2026US 12,529,346 B1
- Internal combustion engine powered system, charge air cooler assembly, and method of cooling charge air30 Dec 2025US 12,510,016 B2Cummins Inc.
- Systems and methods for coordinating an air blend valve with an intake air heater14 Oct 2025US 12,442,352 B1Saudi Arabian Oil Company
- Multi-core heat recovery charge cooler23 Sep 2025US 12,421,888 B2Cummins Inc.
- Internal combustion engine powered system, charge air cooler assembly, and method of cooling charge air14 May 2026US 2026/0132736 A1Cummins Inc.
- All-Terrain Vehicle7 May 2026US 2026/0125132 A1Zhejiang CFMOTO Power Co., Ltd.
- All-Terrain Vehicle7 May 2026US 2026/0126024 A1Zhejiang CFMOTO Power Co., Ltd.
- Supercharged air duct for providing supercharged air to an internal combustion engine19 Feb 2026US 2026/0049569 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- V-type internal combustion engine16 Oct 2025US 2025/0320829 A1Liebherr-Components Colmar SAS
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Optimized lambda and compression temperature control for compression ignition engines133US 6,273,076 B1Servojet Products International · 2001
- Turbocharger with exhaust gas recirculation123US 6,301,889 B1Caterpillar Inc. · 2001
- Turbocharged internal combustion engine108US 6,378,308 B13K Warner Turbosystems GmbH · 2002
- Method and apparatus for cooling the inlet air of gas turbine and internal combustion engine prime movers106US 5,790,972 A1998