F03G 7/0641
Motors
Official title: {Motors; Energy harvesting or waste energy recovery}
F03G7/0641 (Motors) appears on 191 US grants and 126 published applications in this corpus.
Search patents in F03G- Granted patents
- 191
- Published applications
- 126
- Assignees
- 75
- Inventors
- 308
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 12 |
| 2012 | 0 | 7 |
| 2013 | 3 | 7 |
| 2014 | 10 | 7 |
| 2015 | 4 | 8 |
| 2016 | 8 | 16 |
| 2017 | 5 | 9 |
| 2018 | 16 | 10 |
| 2019 | 8 | 5 |
| 2020 | 7 | 3 |
| 2021 | 4 | 3 |
| 2022 | 2 | 6 |
| 2023 | 2 | 3 |
| 2024 | 3 | 7 |
| 2025 | 7 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Passive thermally-switched heat transfer system1 Sep 2026US 12,727,122 B1United States of America as represented by the Administrator of NASA
- Coal ash thermal battery4 Aug 2026US 12,698,763 B2Scalia Technologies, LLC
- Systems and methods for controlling fluid flow in a wellbore utilizing a flow control system17 Feb 2026US 12,553,317 B2Saudi Arabian Oil Company
- Heat engine25 Nov 2025US 12,480,479 B2
- Expandable element configuration, method and system9 Sep 2025US 12,410,781 B2Baker Hughes Oilfield Operations LLC
- A shape memory alloy heat pump23 Jul 2026US 2026/0210590 A1Exergyn Ltd.
- Cryogenic air processing for a liquid air energy conversion system5 Feb 2026US 2026/0036117 A1
- Systems and methods for controlling fluid flow in a wellbore utilizing a flow control system28 Aug 2025US 2025/0270902 A1Saudi Arabian Oil Company
- Coal ash thermal battery24 Apr 2025US 2025/0129773 A1Scalia Technologies, LLC
- Heat Engine6 Mar 2025US 2025/0075684 A1ProEnviroEnergy Inc.
Most cited
By later US patents
- Variable area nozzle for gas turbine engines driven by shape memory alloy actuators396US 6,318,070 B1United Technologies Corporation · 2001
- Shape memory alloy fibers having rapid twitch response71US 5,092,901 AThe Royal Institution for the Advancement of Learning/Mcgill University · 1992
- Shape memory alloy actuator68US 4,700,541 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1987
- Power generator63US 4,220,006 A1980
- Memory alloy heat engine and method of operation54US 4,055,955 A1977