Y02E 10/10
Geothermal energy
Y02E10/10 (Geothermal energy) appears on 1,403 US grants and 1,493 published applications in this corpus.
Search patents in Y02E- Granted patents
- 1,403
- Published applications
- 1,493
- Assignees
- 702
- Inventors
- 2,499
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 25 | 0 |
| 1978 | 18 | 0 |
| 1979 | 14 | 0 |
| 1980 | 13 | 0 |
| 1981 | 20 | 0 |
| 1982 | 23 | 0 |
| 1983 | 8 | 0 |
| 1984 | 13 | 0 |
| 1985 | 16 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 15 | 0 |
| 1991 | 17 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 20 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 1 |
| 2002 | 2 | 5 |
| 2003 | 7 | 10 |
| 2004 | 9 | 19 |
| 2005 | 10 | 14 |
| 2006 | 15 | 18 |
| 2007 | 10 | 37 |
| 2008 | 16 | 47 |
| 2009 | 15 | 51 |
| 2010 | 19 | 92 |
| 2011 | 18 | 86 |
| 2012 | 41 | 72 |
| 2013 | 31 | 78 |
| 2014 | 46 | 94 |
| 2015 | 52 | 94 |
| 2016 | 72 | 49 |
| 2017 | 65 | 49 |
| 2018 | 53 | 49 |
| 2019 | 45 | 58 |
| 2020 | 38 | 68 |
| 2021 | 51 | 74 |
| 2022 | 69 | 83 |
| 2023 | 109 | 112 |
| 2024 | 99 | 109 |
| 2025 | 97 | 79 |
| 2026 | 51 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and methods for enhanced thermal syphoning8 Sep 2026US 12,729,884 B2Good Water Energy Ltd.
- Collector and use thereof25 Aug 2026US 12,716,619 B2MuoviTech AB
- Utilizing alternative energy for water purification, water disposal, industrial heat, and electricity18 Aug 2026US 12,709,553 B2Katz Water Tech, LLC
- Bio-inspired engineered transition zone (BID-ETTZ) energy piles11 Aug 2026US 12,703,955 B2Georgia Tech Research Corporation
- Apparatus and methods for producing electricity using geothermal energy11 Aug 2026US 12,704,114 B2Geogen Technologies Inc.
- Pondless hydromechanical storage system24 Sep 2026US 2026/0286941 A1Sage Geosystems Inc.
- Systems for Generating Energy from Geothermal Sources and Methods of Operating and Constructing Same24 Sep 2026US 2026/0287213 A1Roda Energy Corporation
- Geothermal Well Method and System27 Aug 2026US 2026/0251356 A1Dynamic Tubular Systems, Inc.
- Geothermal power systems and processes20 Aug 2026US 2026/0243234 A1Sage Geosystems Inc.
- Device for exchanging geothermal energy with an aquifer which is near the surface, and thermal power station comprising at least one such device20 Aug 2026US 2026/0243235 A1Usc-Consulting GmbH
Most cited
By later US patents
- Sealing system for a well bore in which a hot fluid is circulated280US 4,513,816 ASociete Nationale Elf Aquitaine (Production) · 1985
- Method of recovering energy from subsurface petroleum reservoirs271US 4,031,956 AIn Situ Technology, Inc. · 1977
- Method and apparatus for converting heat from geothermal liquid and geothermal steam to electric power142US 5,440,882 AExergy S.P.A. · 1995
- Combined ambient-air and earth exchange heat pump system141US 5,461,876 A1995
- Geothermal petroleum refining126US 4,248,306 A1981