- 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 7/04 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
Patent holdings for IPC class F03G 7/04
Total number of patents in this class: 368
10-year publication summary
|
32
|
29
|
31
|
40
|
41
|
49
|
43
|
45
|
29
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ice Thermal Harvesting, LLC | 76 |
24 |
| Ormat Technologies, Inc. | 115 |
13 |
| The Abell Foundation, Inc. | 35 |
9 |
| Lawrence Livermore National Security, LLC | 1929 |
7 |
| Massachusetts Institute of Technology | 10024 |
6 |
| Lockheed Martin Corporation | 3277 |
6 |
| GreenFire Energy Inc. | 19 |
6 |
| Eavor Technologies Inc. | 90 |
6 |
| Zero Nox, Inc. | 23 |
5 |
| Saltpower Holding ApS | 17 |
5 |
| Siemens AG | 24552 |
4 |
| Toshiba Corporation | 12317 |
4 |
| Fuji Electric Co., Ltd. | 5122 |
4 |
| McAlister Technologies, LLC | 126 |
4 |
| Erda Master IPCO Limited | 15 |
4 |
| Applied BioMimetic A/S | 26 |
4 |
| California Institute of Technology | 3973 |
3 |
| Kalex, LLC | 17 |
3 |
| Saudi Arabian Oil Company | 12911 |
3 |
| Seatrec, Inc. | 10 |
3 |
| Other owners | 245 |