F25B 2313/002
Geothermal
Official title: geothermal
F25B2313/002 (Geothermal) appears on 78 US grants and 64 published applications in this corpus.
Search patents in F25B- Granted patents
- 78
- Published applications
- 64
- Assignees
- 37
- Inventors
- 136
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 2 | 5 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 8 |
| 2016 | 1 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 1 |
| 2019 | 4 | 4 |
| 2020 | 5 | 7 |
| 2021 | 1 | 6 |
| 2022 | 2 | 2 |
| 2023 | 7 | 4 |
| 2024 | 6 | 4 |
| 2025 | 3 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated demand water heating using a capacity modulated heat pump with desuperheater17 Mar 2026US 12,578,124 B2WaterFurnace International, Inc.
- Hanson deep bore water production system for mountainous coastal environments30 Dec 2025US 12,509,862 B2
- Dual source heat pump system9 Dec 2025US 12,492,841 B2Schlumberger Technology Corporation
- Heat pump with corner interface4 Mar 2025US 12,241,664 B2Dandelion Energy, Inc.
- Micro chiller-based heating, ventilation and air conditioning system10 Dec 2024US 12,163,691 B2
- Integrated demand water heating using a capacity modulated heat pump with desuperheater25 Jun 2026US 2026/0177290 A1WaterFurnace International, Inc.
- Advanced Hybrid Geothermal, Air Source, Water Source Systems And Methods21 May 2026US 2026/0139852 A1Heds Holdings LLC
- Dual source heat pump system9 Apr 2026US 2026/0098657 A1Schlumberger Technology Corporation
- System and method for utilising geothermal energy26 Jun 2025US 2025/0207563 A1MAN Energy Solutions SE
- Dual source heat pump system24 Apr 2025US 2025/0129967 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Combined ambient-air and earth exchange heat pump system141US 5,461,876 A1995
- Geothermal heat pump system116US 5,758,514 AEnvirotherm Heating & Cooling Systems, Inc. · 1998
- Earth coil heating and cooling system94US 4,257,239 A1981
- Heating and cooling apparatus93US 5,025,634 A1991
- Geothermal storage heating and cooling system91US 4,375,831 A1983