- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03G - Spring, weight, inertia, or like motors; mechanical-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: 27
10-year publication summary
|
1
|
0
|
0
|
0
|
1
|
4
|
0
|
3
|
11
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roda Energy Corporation | 4 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| Eavor Technologies Inc. | 74 |
2 |
| Affin AS | 14 |
2 |
| Chevron U.S.A. Inc. | 3774 |
1 |
| Controlled Thermal Technologies Pty Ltd | 2 |
1 |
| Energy Recovery, Inc. | 168 |
1 |
| Eth Zurich | 1193 |
1 |
| Heat Mining Company LLC | 3 |
1 |
| Kalex, LLC | 20 |
1 |
| Potomac Energy Projects, LLC | 2 |
1 |
| Quidnet Energy Inc. | 25 |
1 |
| Regents of the University of Minnesota | 2620 |
1 |
| Skibo Systems LLC | 4 |
1 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
1 |
| HMFSF IP Holdings, LLC | 4 |
1 |
| Fervo Energy Company | 8 |
1 |
| Koloma, Inc. | 21 |
1 |
| Sage Geosystems Inc. | 14 |
1 |
| Good Water Energy Ltd | 15 |
1 |
| Other owners | 2 |