F03G 7/002
Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise
Official title: {using the energy of vibration of fluid columns}
F03G7/002 (Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise) appears on 78 US grants and 74 published applications in this corpus.
Search patents in F03G- Granted patents
- 78
- Published applications
- 74
- Assignees
- 47
- Inventors
- 142
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 5 |
| 2004 | 5 | 2 |
| 2005 | 3 | 5 |
| 2006 | 2 | 3 |
| 2007 | 4 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 5 |
| 2014 | 4 | 6 |
| 2015 | 2 | 7 |
| 2016 | 1 | 7 |
| 2017 | 12 | 4 |
| 2018 | 9 | 4 |
| 2019 | 5 | 5 |
| 2020 | 4 | 3 |
| 2021 | 3 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Thermoacoustic device with diaphragm structure3 May 2022US 11,320,176 B2Jtekt Corporation
- Thermoacoustic generator with two working fluids9 Jul 2026US 2026/0194267 A1PACCAR Inc
- Solar driven thermoacoustic refrigerator21 May 2026US 2026/0139880 A1
- Cryogenic cooling system with a resonant expander2 Apr 2026US 2026/0092725 A1R7 Instruments, Inc.
- A thermoacoustic engine driven by irradiation of an absorbing media or oscillating heating18 Dec 2025US 2025/0382947 A1Technion Research & Development Foundation Limited
- Heat sound converter23 Jan 2025US 2025/0029593 A1Denso Corporation
Most cited
By later US patents
- Traveling wave heat engine65US 4,114,380 A1978
- Thermoacoustic resonator50US 6,385,972 B12002
- Resonant travelling wave heat engine46US 4,355,517 A1982
- High-efficiency heat-driven acoustic cooling engine with no moving parts46US 5,901,556 AThe United States of America as represented by the Secretary of the Navy · 1999
- Compact acoustic refrigerator42US 5,165,243 AThe United States of America as represented by the United States Department of Energy · 1992