F02G 5/04
In combination with other waste heat from combustion engines
Official title: in combination with other waste heat from combustion engines
F02G5/04 (In combination with other waste heat from combustion engines) appears on 233 US grants and 230 published applications in this corpus.
Search patents in F02G- Granted patents
- 233
- Published applications
- 230
- Assignees
- 142
- Inventors
- 563
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 4 |
| 2004 | 2 | 7 |
| 2005 | 5 | 4 |
| 2006 | 4 | 4 |
| 2007 | 1 | 5 |
| 2008 | 2 | 5 |
| 2009 | 4 | 7 |
| 2010 | 4 | 14 |
| 2011 | 3 | 16 |
| 2012 | 1 | 5 |
| 2013 | 8 | 21 |
| 2014 | 12 | 13 |
| 2015 | 16 | 14 |
| 2016 | 12 | 10 |
| 2017 | 10 | 24 |
| 2018 | 11 | 14 |
| 2019 | 16 | 16 |
| 2020 | 15 | 15 |
| 2021 | 12 | 1 |
| 2022 | 12 | 6 |
| 2023 | 7 | 9 |
| 2024 | 5 | 5 |
| 2025 | 6 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power generation system18 Aug 2026US 12,710,018 B2Landmark Technology Corporation
- Energy utilization system and method for producing carbon-containing material2 Jun 2026US 12,644,193 B2Daikin Industries, Ltd.
- Gas turbine plant with ammonia decomposition system17 Feb 2026US 12,553,387 B2Doosan Enerbility Co., Ltd.
- Systems and methods for heat recovery for carbon capture in oil and natural gas systems10 Feb 2026US 12,546,272 B1EOG Resources, Inc.
- Systems and methods utilizing gas temperature as a power source28 Oct 2025US 12,454,896 B2ICE Thermal Harvesting, LLC
- Heat engine that captures and uses waste heat for increased thermal efficiency26 Mar 2026US 2026/0085623 A1
- Systems and methods utilizing gas temperature as a power source22 Jan 2026US 2026/0022647 A1ICE Thermal Harvesting, LLC
- System and method for transport vehicles using recyclable fuels21 Aug 2025US 2025/0264051 A1
- Heat engine that captures and uses waste heat to increase its thermal efficiency17 Jul 2025US 2025/0230763 A1
- Power generation system19 Jun 2025US 2025/0198364 A1Landmark Technology Corporation
Most cited
By later US patents
- Internal combustion electric power hybrid power plant60US 4,148,192 A1979
- Carpet cleaning systems60US 4,284,127 ASyd W. Collier Company Limited · 1981
- Advanced cogeneration control system58US 4,802,100 AGas Research Institute · 1989
- Congeneration system with a Stirling engine58US 5,074,114 AStirling Thermal Motors, Inc. · 1991
- Rankine-diesel integrated system55US 4,901,531 ACummins Engine Company, Inc. · 1990