F03G 7/06112
Using the thermal expansion or contraction of enclosed fluids
Official title: {using the thermal expansion or contraction of enclosed fluids}
F03G7/06112 (Using the thermal expansion or contraction of enclosed fluids) appears on 235 US grants and 172 published applications in this corpus.
Search patents in F03G- Granted patents
- 235
- Published applications
- 172
- Assignees
- 135
- Inventors
- 441
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 1 |
| 2003 | 2 | 4 |
| 2004 | 4 | 4 |
| 2005 | 5 | 3 |
| 2006 | 0 | 6 |
| 2007 | 3 | 3 |
| 2008 | 3 | 2 |
| 2009 | 3 | 4 |
| 2010 | 2 | 3 |
| 2011 | 1 | 10 |
| 2012 | 4 | 7 |
| 2013 | 4 | 12 |
| 2014 | 9 | 13 |
| 2015 | 10 | 13 |
| 2016 | 8 | 12 |
| 2017 | 8 | 10 |
| 2018 | 14 | 9 |
| 2019 | 9 | 8 |
| 2020 | 7 | 7 |
| 2021 | 8 | 9 |
| 2022 | 6 | 9 |
| 2023 | 9 | 5 |
| 2024 | 3 | 8 |
| 2025 | 7 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Passive thermally-switched heat transfer system1 Sep 2026US 12,727,122 B1United States of America as represented by the Administrator of NASA
- Method and system for efficient hydrogen compression11 Aug 2026US 12,704,116 B2Nuovo Pignone Tecnologie Srl
- Energy storage device with a variable volume chamber23 Jun 2026US 12,662,993 B2Idea Invent Evolve Pty Ltd
- Integrated power generation system with thermal energy and pressure storage cycles and controlling method thereof7 Apr 2026US 12,595,752 B2Winner Technology Co., Ltd.
- Thermally-powered polymer fiber actuators and articles including same18 Nov 2025US 12,473,896 B2Board of Regents, The University of Texas System
- Hold down mechanisms with delayed release5 Mar 2026US 2026/0063153 A1Honeybee Robotics, LLC
- Thermal actuator for aircraft engine26 Feb 2026US 2026/0055757 A1Pratt & Whitney Canada Corp.
- Method and system for efficient hydrogen compression15 Jan 2026US 2026/0015996 A1Nuovo Pignone Tecnologie Srl
- Thermally Responsive Actuator11 Dec 2025US 2025/0376975 A1Illinois Tool Works Inc.
- Industrial machines using breakdown in liquid dielectrics17 Jul 2025US 2025/0232917 A1M Hikari & Energy Laboratory Co., Ltd.
Most cited
By later US patents
- Implantable fluid delivery device for basal and bolus delivery of medicinal fluids154US 6,416,495 B1Science Incorporated · 2002
- Walking expansion actuator148US 5,327,038 ARockwell International Corporation · 1994
- Variable focus lens by small changes of the equatorial lens diameter128US 6,493,151 B2Ras Holding Corp · 2002
- Heat-activated drug delivery system and thermal actuators therefor115US 5,222,362 A1993
- Variable focus lens by small changes of the equatorial lens diameter100US 6,930,838 B2PC Lens Corp · 2005