F03G 4/035
Of the organic rankine cycle [orc] type or the kalina cycle type
Official title: {of the Organic Rankine Cycle [ORC] type or the Kalina Cycle type}
F03G4/035 (Of the organic rankine cycle [orc] type or the kalina cycle type) appears on 123 US grants and 115 published applications in this corpus.
Search patents in F03G- Granted patents
- 123
- Published applications
- 115
- Assignees
- 53
- Inventors
- 169
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 3 | 4 |
| 2015 | 4 | 8 |
| 2016 | 3 | 0 |
| 2017 | 6 | 2 |
| 2018 | 2 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 5 |
| 2022 | 17 | 20 |
| 2023 | 19 | 17 |
| 2024 | 24 | 20 |
| 2025 | 13 | 9 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and methods for producing electricity using geothermal energy11 Aug 2026US 12,704,114 B2Geogen Technologies Inc.
- Thermal energy storage system coupled with thermal power cycle systems2 Jun 2026US 12,644,396 B2Rondo Energy, Inc.
- Thermal energy storage system coupled with thermal power cycle systems31 Mar 2026US 12,590,549 B1Rondo Energy, Inc.
- System for restoration of a salty body of water that harnesses hydro, solar, and geothermal energy, to be used in remote locations and different applications including the production of distilled water from a salty body of water31 Mar 2026US 12,590,736 B2
- Mobile oil stream energy recovery system10 Mar 2026US 12,571,332 B2Gradient Geothermal Inc.
- Mobile oil stream energy recovery system27 Aug 2026US 2026/0251079 A1Gradient Geothermal Inc.
- A geothermal hydrogen production and compression system20 Aug 2026US 2026/0242246 A1Good Water Energy Ltd.
- Geothermal power systems and processes20 Aug 2026US 2026/0243234 A1Sage Geosystems Inc.
- System and method for coupling geothermal energy storage with coalbed methane extraction in unmineable coalbed6 Aug 2026US 2026/0226814 A1China University of Geosciences (Wuhan)
- Low-grade heat engine system2 Jul 2026US 2026/0185508 A1First Pecos, LLC
Most cited
By later US patents
- Method and apparatus for cooling hot fluids112US 5,860,279 A1999
- Method of and apparatus for producing power using steam107US 5,497,624 AOrmat, Inc. · 1996
- System and method for heat recovery from geothermal source of heat102US 7,124,584 B1General Electric Company · 2006
- Method of and means for using a two-phase fluid for generating power in a rankine cycle power plant98US 5,038,567 AOrmat Turbines, Ltd. · 1991
- Geothermal power plant and method for operating the same91US 4,542,625 A1985