- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03G - Spring, weight, inertia, or like motorsmechanical-power-producing devices or mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G 4/02 - Devices for producing mechanical power from geothermal energy with direct fluid contact
Patent holdings for IPC class F03G 4/02
Total number of patents in this class: 66
10-year publication summary
|
0
|
0
|
1
|
4
|
1
|
3
|
14
|
23
|
15
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sage Geosystems Inc. | 41 |
10 |
| Roda Energy Corporation | 13 |
7 |
| EnhancedGEO Holdings, LLC | 77 |
7 |
| OneSubsea IP UK Limited | 439 |
4 |
| Affin AS | 29 |
4 |
| Eavor Technologies Inc. | 109 |
3 |
| Fervo Energy Company | 35 |
3 |
| Good Water Energy Ltd | 42 |
3 |
| Halliburton Energy Services, Inc. | 21305 |
2 |
| Energy Recovery, Inc. | 191 |
2 |
| Onesubsea, LLC | 59 |
2 |
| Abu Dhabi National Oil Company | 102 |
2 |
| Koloma, Inc. | 60 |
2 |
| Chevron U.S.A. Inc. | 4145 |
1 |
| Controlled Thermal Technologies Pty Ltd | 2 |
1 |
| Eth Zurich | 1324 |
1 |
| Geothermal Technologies, Inc. | 15 |
1 |
| Heat Mining Company LLC | 3 |
1 |
| Kalex, LLC | 14 |
1 |
| Potomac Energy Projects, LLC | 1 |
1 |
| Other owners | 8 |