F03G 7/015
Actuators using the difference in osmotic pressure between fluids
Official title: {Actuators using the difference in osmotic pressure between fluids}
F03G7/015 (Actuators using the difference in osmotic pressure between fluids) appears on 68 US grants and 97 published applications in this corpus.
Search patents in F03G- Granted patents
- 68
- Published applications
- 97
- Assignees
- 60
- Inventors
- 176
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 6 |
| 2010 | 2 | 4 |
| 2011 | 2 | 5 |
| 2012 | 2 | 1 |
| 2013 | 3 | 4 |
| 2014 | 5 | 5 |
| 2015 | 3 | 5 |
| 2016 | 3 | 1 |
| 2017 | 1 | 7 |
| 2018 | 4 | 8 |
| 2019 | 4 | 6 |
| 2020 | 2 | 6 |
| 2021 | 5 | 1 |
| 2022 | 5 | 5 |
| 2023 | 1 | 9 |
| 2024 | 6 | 9 |
| 2025 | 9 | 7 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for converting osmotic energy into hydraulic energy and for desalination14 Jul 2026US 12,678,737 B2Centre National De La Recherche Scientifique
- Systems and methods of generating low-frequency and persistent haptics using low-voltage and high-pressure flexible electroosmotic actuators21 Apr 2026US 12,608,084 B2Meta Platforms Technologies, LLC
- System where electricity generation efficiency is increased by means of liquids which have different densities25 Nov 2025US 12,482,844 B2Repg Enerji Sistemleri Sanayi Ve Ticaret Anonim Sirketi
- Salinity gradient grade-scale energy storage method and apparatus18 Nov 2025US 12,472,468 B2Purdue Research Foundation
- Solvation entropy engine26 Aug 2025US 12,398,703 B2Saltpower Holding Aps
- Salinity gradient grade-scale energy storage method and apparatus26 Feb 2026US 2026/0054222 A1Purdue Research Foundation
- Nano check valve osmosis and energy collection method and device13 Nov 2025US 2025/0345751 A1Xi'an Xishizun Electromechanical Technology Co., Ltd
- Fresh Water Production and Thermally Regenerative Electrochemical Cycle Using Multiple Stages of Thermally Responsive Mixtures23 Oct 2025US 2025/0329766 A1Georgia Tech Research Corporation
- Reverse Electrodialysis or Pressure-Retarded Osmosis Cell and Methods of Use Thereof16 Oct 2025US 2025/0323303 A1
- Systems and methods of generating low-frequency and persistent haptics using low-voltage and high-pressure flexible electroosmotic actuators3 Jul 2025US 2025/0216944 A1Meta Platforms Technologies, LLC
Most cited
By later US patents
- Utility scale osmotic grid storage70US 8,795,525 B2Oasys Water, Inc. · 2014
- Method of performing osmetic distillation45US 4,781,837 ALimitinstant Limited · 1988
- Plant for sea water desalinizing using solar energy41US 5,645,693 A1997
- Hybrid RO/PRO system40US 7,871,522 B2Energy Recovery, Inc. · 2011
- Evaporation driven system for power generation and water desalinization38US 6,185,940 B12001