F02G 5/00
Profiting from waste heat of combustion engines, not otherwise provided for
F02G5/00 (Profiting from waste heat of combustion engines, not otherwise provided for) appears on 966 US grants and 981 published applications in this corpus.
Search patents in F02G- Granted patents
- 966
- Published applications
- 981
- Assignees
- 459
- Inventors
- 2,046
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 13 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 16 | 1 |
| 2002 | 15 | 18 |
| 2003 | 17 | 21 |
| 2004 | 22 | 35 |
| 2005 | 18 | 30 |
| 2006 | 26 | 29 |
| 2007 | 12 | 22 |
| 2008 | 11 | 14 |
| 2009 | 10 | 37 |
| 2010 | 10 | 37 |
| 2011 | 15 | 43 |
| 2012 | 15 | 42 |
| 2013 | 25 | 64 |
| 2014 | 45 | 57 |
| 2015 | 50 | 87 |
| 2016 | 43 | 56 |
| 2017 | 58 | 78 |
| 2018 | 50 | 58 |
| 2019 | 51 | 71 |
| 2020 | 63 | 67 |
| 2021 | 55 | 23 |
| 2022 | 44 | 28 |
| 2023 | 30 | 27 |
| 2024 | 24 | 16 |
| 2025 | 14 | 16 |
| 2026 | 10 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steam supply system and steam supply method15 Sep 2026US 12,735,998 B2Mitsubishi Heavy Industries, Ltd.
- Power generation system18 Aug 2026US 12,710,018 B2Landmark Technology Corporation
- Ship waste heat power generation system utilizing waste heat from ships16 Jun 2026US 12,655,777 B2Korea Institute of Ocean Science & Technology
- Energy utilization system and method for producing carbon-containing material2 Jun 2026US 12,644,193 B2Daikin Industries, Ltd.
- Cooling system for cooling an exhaust-gas turbocharger2 Jun 2026US 12,644,397 B2BorgWarner Inc.
- 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
- Steam supply system and steam supply method15 Jan 2026US 2026/0015953 A1Mitsubishi Heavy Industries, Ltd.
- Cooling system for cooling an exhaust-gas turbocharger8 Jan 2026US 2026/0009349 A1BorgWarner Inc.
- Combustion system using ammonia as fuel27 Nov 2025US 2025/0361832 A1IHI Corporation
Most cited
By later US patents
- Method and apparatus for operation of combustion engines205US 6,155,212 A2000
- High efficiency hybrid car with gasoline engine, and electric battery powered motor165US 5,327,987 A1994
- Engine with combustion and expansion of the combustion gases within the combustor155US 6,817,185 B2innogy SE · 2004
- Supplemental electrical power generating system115US 4,262,209 A1981
- Method and apparatus for improved operation of internal combustion engines115US 5,343,699 A1994