- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 25/10 - Plants or engines characterised by use of special working fluids, not otherwise provided forPlants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
Patent holdings for IPC class F01K 25/10
Total number of patents in this class: 1008
10-year publication summary
|
80
|
81
|
90
|
97
|
86
|
56
|
78
|
77
|
61
|
51
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 8 Rivers Capital, LLC | 238 |
51 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
36 |
| Saudi Arabian Oil Company | 13600 |
34 |
| Nuovo Pignone Tecnologie S.r.l. | 1033 |
30 |
| General Electric Company | 13858 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 8861 |
20 |
| Malta Inc. | 125 |
19 |
| Energy Dome S.p.A. | 36 |
18 |
| Echogen Power Systems, LLC | 63 |
16 |
| Aramco Services Company | 4083 |
13 |
| Saipem S.p.A. | 517 |
13 |
| Siemens AG | 24342 |
12 |
| Peregrine Turbine Technologies, LLC | 15 |
10 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2870 |
9 |
| New Scientific R&D Institute Inc. | 9 |
9 |
| Hamilton Sundstrand Corporation | 4954 |
8 |
| Highview Enterprises Limited | 47 |
8 |
| IHI Corporation | 3462 |
8 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
8 |
| Orcan Energy AG | 55 |
8 |
| Other owners | 656 |