- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 25/00 - Plants or engines characterised by use of special working fluids, not otherwise provided forPlants operating in closed cycles and not otherwise provided for
Patent holdings for IPC class F01K 25/00
Total number of patents in this class: 272
10-year publication summary
|
20
|
21
|
18
|
14
|
21
|
24
|
34
|
13
|
11
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Energy Global GmbH & Co. KG | 3011 |
11 |
| Malta Inc. | 124 |
10 |
| General Electric Company | 13845 |
6 |
| Siemens AG | 24409 |
6 |
| New Power Concepts LLC | 27 |
6 |
| Ormat Technologies, Inc. | 115 |
5 |
| 3m Innovative Properties Company | 17795 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8783 |
4 |
| The Chemours Company Fc, LLC | 1255 |
4 |
| Sanden Corporation | 964 |
4 |
| Kalina Power Limited | 17 |
4 |
| Pratt & Whitney Canada Corp. | 4817 |
3 |
| Clean Energy HRS LLC | 7 |
3 |
| Cummins Inc. | 2603 |
3 |
| Echogen Power Systems, LLC | 63 |
3 |
| Linde Aktiengesellschaft | 1497 |
3 |
| Toshiba Energy Systems & Solutions Corp. | 1086 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6266 |
3 |
| Mitsubishi Power Americas, Inc. | 57 |
3 |
| Ice Thermal Harvesting, LLC | 75 |
3 |
| Other owners | 181 |