F03G 7/0646
For pumping or compressing fluids
Official title: {for pumping or compressing fluids}
F03G7/0646 (For pumping or compressing fluids) appears on 57 US grants and 57 published applications in this corpus.
Search patents in F03G- Granted patents
- 57
- Published applications
- 57
- Assignees
- 36
- Inventors
- 119
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 7 |
| 2010 | 2 | 0 |
| 2011 | 7 | 4 |
| 2012 | 0 | 5 |
| 2013 | 2 | 2 |
| 2014 | 4 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 4 |
| 2018 | 6 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 4 |
| 2021 | 1 | 0 |
| 2022 | 3 | 6 |
| 2023 | 4 | 4 |
| 2024 | 6 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for efficient hydrogen compression11 Aug 2026US 12,704,116 B2Nuovo Pignone Tecnologie Srl
- Bistable compressor driven with shape memory alloys for refrigerator4 Aug 2026US 12,698,764 B2Usonia Labs Limited
- Single actuated precision dose intermediate pumping chamber5 Aug 2025US 12,377,208 B2Insulet Corporation
- Shape memory alloy heat pump13 May 2025US 12,298,450 B2Exergyn Ltd.
- System and method for work recovery in a heat pump12 Nov 2024US 12,140,346 B2Exergyn Ltd.
- Work recovery in a shape memory alloy heat pump30 Apr 2026US 2026/0118023 A1Exergyn Ltd.
- Method and system for efficient hydrogen compression15 Jan 2026US 2026/0015996 A1Nuovo Pignone Tecnologie Srl
- A bistable compressor driven with shape memory alloys for refrigerator18 Dec 2025US 2025/0382950 A1Usonia Labs Limited
- Single actuated precision dose intermediate pumping chamber6 Nov 2025US 2025/0339606 A1Insulet Corporation
- Shape Memory Alloy Capsule Micropump for Drug Delivery Applications11 Jul 2024US 2024/0229780 A9The American University in Cairo
Most cited
By later US patents
- Device and method employing shape memory alloy491US 6,916,159 B2TheraSense, Inc. · 2005
- Pump using shape memory alloys119US 5,622,482 ADaewood Electronics Co., Ltd. · 1997
- Contractile actuated bellows pump89US 6,059,546 AMassachusetts Institute of Technology · 2000
- Pumping by martensitic transformation utilization77US 4,472,113 A1984
- Solid-state heating or cooling systems, devices, and methods42US 10,018,385 B2University of Maryland, College Park · 2018