F02B 29/0418
The intake air cooler having a bypass or multiple flow paths within
Official title: {the intake air cooler having a bypass or multiple flow paths within the heat exchanger to vary the effective heat transfer surface}
F02B29/0418 (The intake air cooler having a bypass or multiple flow paths within) appears on 305 US grants and 305 published applications in this corpus.
Search patents in F02B- Granted patents
- 305
- Published applications
- 305
- Assignees
- 132
- Inventors
- 658
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 8 | 8 |
| 2003 | 9 | 7 |
| 2004 | 8 | 13 |
| 2005 | 9 | 14 |
| 2006 | 13 | 12 |
| 2007 | 10 | 17 |
| 2008 | 6 | 15 |
| 2009 | 4 | 18 |
| 2010 | 9 | 16 |
| 2011 | 13 | 13 |
| 2012 | 9 | 14 |
| 2013 | 10 | 10 |
| 2014 | 18 | 33 |
| 2015 | 22 | 27 |
| 2016 | 27 | 22 |
| 2017 | 11 | 6 |
| 2018 | 17 | 14 |
| 2019 | 7 | 12 |
| 2020 | 9 | 8 |
| 2021 | 14 | 9 |
| 2022 | 7 | 5 |
| 2023 | 11 | 6 |
| 2024 | 7 | 4 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel bypass system for gaseous-fueled engine12 May 2026US 12,624,655 B2Generac Power Systems, Inc.
- Coolant system bypass for engine6 Jan 2026US 12,516,622 B1Caterpillar Inc.
- Passive air cooling23 Sep 2025US 12,421,889 B2Discovery Energy, LLC
- Fuel bypass system for gaseous-fueled engine26 Nov 2024US 12,152,529 B2Generac Power Systems, Inc.
- Engine12 Nov 2024US 12,140,071 B2Yanmar Holdings Co., Ltd.
- Fuel bypass system for gaseous-fueled engine17 Apr 2025US 2025/0122824 A1Generac Power Systems, Inc.
- Fuel bypass system for gaseous-fueled engine1 Aug 2024US 2024/0254912 A1Generac Power Systems, Inc.
- Engine20 Jun 2024US 2024/0200489 A1Yanmar Holdings Co., Ltd.
- Passive air cooling9 May 2024US 2024/0151178 A1Kohler Co.
- Thermal management of exhaust gas with charge air heating14 Mar 2024US 2024/0084727 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
- Multiple operating mode engine and method of operation134US 6,561,157 B2Cummins Inc. · 2003
- Optimized lambda and compression temperature control for compression ignition engines133US 6,273,076 B1Servojet Products International · 2001
- HCCI engine intake/exhaust systems for fast inlet temperature and pressure control with intake pressure boosting117US 6,675,579 B1Ford Global Technologies, LLC · 2004
- Controlled temperature combustion engine113US 6,651,432 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2003