- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24J - Production or use of heat not otherwise provided for (materials therefor C09K 5/00;engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. f03g for using natural heat)
- F24J 3/08 - using geothermal heat (devices for producing mechanical power from geothermal energy F03G 4/00)
Patent holdings for IPC class F24J 3/08
Total number of patents in this class: 360
10-year publication summary
|
39
|
50
|
18
|
3
|
2
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rehau AG + Co | 394 |
15 |
| Halliburton Energy Services, Inc. | 21020 |
8 |
| Hohai University | 213 |
6 |
| Ormat Technologies, Inc. | 116 |
5 |
| Agreenability, LLC | 8 |
4 |
| Heat-Line Corporation | 31 |
4 |
| Muovitech AB | 21 |
4 |
| Regents of the University of Minnesota | 2722 |
4 |
| A&S Umwelttechnologie AG | 4 |
4 |
| Daikin Industries, Ltd. | 10129 |
3 |
| Fuji Electric Co., Ltd. | 5232 |
3 |
| Futurewei Technologies, Inc. | 3763 |
3 |
| AltaRock Energy, Inc. | 24 |
3 |
| Blade Energy Partners, Ltd. | 9 |
3 |
| Earth to Air Systems, LLC | 14 |
3 |
| Geo-En Energy Technologies GmbH | 3 |
3 |
| Geoenergy Enterprises, LLC | 3 |
3 |
| Greenfield Master IPCO Ltd | 7 |
3 |
| GreenFire Energy Inc. | 25 |
3 |
| GTherm Inc. | 5 |
3 |
| Other owners | 273 |