F03G 7/06
Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise
Official title: using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like (using thermal expansion of non-vaporising liquids F01K)
F03G7/06 (Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise) appears on 1,626 US grants and 1,637 published applications in this corpus.
Search patents in F03G- Granted patents
- 1,626
- Published applications
- 1,637
- Assignees
- 715
- Inventors
- 2,936
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 15 | 0 |
| 1978 | 18 | 0 |
| 1979 | 5 | 0 |
| 1980 | 15 | 0 |
| 1981 | 15 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 16 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 16 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 15 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 15 | 0 |
| 2000 | 17 | 0 |
| 2001 | 24 | 7 |
| 2002 | 25 | 17 |
| 2003 | 9 | 17 |
| 2004 | 22 | 30 |
| 2005 | 16 | 33 |
| 2006 | 21 | 33 |
| 2007 | 16 | 33 |
| 2008 | 24 | 38 |
| 2009 | 19 | 51 |
| 2010 | 42 | 37 |
| 2011 | 35 | 73 |
| 2012 | 30 | 54 |
| 2013 | 43 | 64 |
| 2014 | 66 | 63 |
| 2015 | 45 | 70 |
| 2016 | 48 | 69 |
| 2017 | 59 | 78 |
| 2018 | 87 | 81 |
| 2019 | 78 | 114 |
| 2020 | 73 | 107 |
| 2021 | 116 | 96 |
| 2022 | 91 | 113 |
| 2023 | 108 | 91 |
| 2024 | 89 | 119 |
| 2025 | 99 | 92 |
| 2026 | 58 | 57 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F03G 7/061Characterised by the actuating element1,583
- F03G 7/064Characterised by its use507
- F03G 7/063Characterised by the mechanic interaction407
- F03G 7/066Actuator control or monitoring402
- F03G 7/062Characterised by the activation arrangement230
- F03G 7/067Safety arrangements75
- F03G 7/065Using a shape memory element1
Recent patents
- SMA actuator assembly6 Oct 2026US 12,753,742 B2Cambridge Mechatronics Limited
- Systems and methods for a remote control actuator6 Oct 2026US 12,753,743 B2Trustees of Tufts College
- Electrically actuated valves6 Oct 2026US 12,753,849 B2Schukra Berndorf GmbH
- Actuator assembly29 Sep 2026US 12,747,724 B2Cambridge Mechatronics Limited
- 4D printed fan with optimized cooling29 Sep 2026US 12,747,736 B2International Business Machines Corporation
- Apparatus utilizing shape-memory and self-assembly to plug relatively wide remote fractures8 Oct 2026US 2026/0308440 A1The Penn State Research Foundation
- Two-stage radial compressor with compensating bodies for compensating a change in length occurring upon a change in temperature1 Oct 2026US 2026/0298261 A1ebm-papst Mulfingen GmbH & Co. KGaA & Co. KG
- Haptic wearable devices for tactile experiences1 Oct 2026US 2026/0299696 A1Gwangju Institute of Science and Technology
- Shape Memory Alloy Bistable Actuator24 Sep 2026US 2026/0286942 A1Hutchinson Technology Incorporated
- Passive cooling apparatus for cooling of immersion fluid and power conversion equipment including a shape-memory alloy heat engine and related systems24 Sep 2026US 2026/0287263 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Device and method employing shape memory alloy491US 6,916,159 B2TheraSense, Inc. · 2005
- Shape-memory alloy micro-actuator445US 5,061,914 ATiNi Alloy Company · 1991
- Apparatus for bending an insertion section of an endoscope using a shape memory alloy431US 4,930,494 AOlympus Optical Co., Ltd. · 1990
- Thin film shape memory alloy and method for producing411US 4,864,824 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Variable area nozzle for gas turbine engines driven by shape memory alloy actuators396US 6,318,070 B1United Technologies Corporation · 2001