F02M 31/005
Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture: using a heat-pipe
Official title: {using a heat-pipe (heat-pipe per se F28D)}
F02M31/005 (Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture: using a heat-pipe) appears on 27 US grants and 15 published applications in this corpus.
Search patents in F02M- Granted patents
- 27
- Published applications
- 15
- Assignees
- 22
- Inventors
- 65
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gaseous fuel supply system for a clean combustion engine of a vehicle21 Apr 2026US 12,607,159 B2Volvo Truck Corporation
- Apparatus and process for cooling pressurized gas for fueling16 Dec 2025US 12,497,936 B2Air Products and Chemicals, Inc.
- Thermal choke, autostart generator system, and method of use thereof23 May 2023US 11,655,779 B2The Dewey Electronics Corporation
- Thermal choke, autostart generator system, and method of use thereof15 Mar 2022US 11,274,634 B2INI Power Systems, Inc.
- Fuel preheater for internal combustion engine25 Dec 2018US 10,161,363 B1United Arab Emirates University
- Thermal choke, autostart generator system, and method of use thereof18 Jun 2026US 2026/0168466 A1The Dewey Electronics Corporation
- Gaseous fuel supply system for a clean combustion engine of a vehicle19 Jun 2025US 2025/0198370 A1Volvo Truck Corporation
- Apparatus and process for cooling pressurized gas for fueling22 May 2025US 2025/0163873 A1Air Products and Chemicals, Inc.
- Thermal choke, autostart generator system, and method of use thereof3 Aug 2023US 2023/0243319 A1The Dewey Electronics Corporation
- Thermal choke, autostart generator system, and method of use thereof9 Jun 2022US 2022/0178332 A1The Dewey Electronics Corporation
Most cited
By later US patents
- Apparatus for preventing freeze-up of a pressure regulator valve in a liquified petroleum fuel system29US 4,688,537 A1987
- Thermal management system for positive crankcase ventilation system22US 6,412,479 B1Dana Corporation · 2002
- Internal combustion engine and turbosupercharger therefor with heat pipe for intake mixture heating19US 3,965,681 AGeneral Motors Corporation · 1976
- Intake manifold with a heated PCV passage17US 6,390,080 B1Ford Global Technologies, LLC · 2002
- Device for supplying fuel to an internal combustion engine15US 4,098,236 AToyota Jidosha Kogyo Kabushiki Kaisha · 1978