- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 7/32 - Steam engine plants characterised by the use of specific types of enginePlants or engines characterised by their use of special steam systems, cycles or processesControl means specially adapted for such systems, cycles or processesUse of withdrawn or exhaust steam for feed-water heating the engines using steam of critical or over-critical pressure
Patent holdings for IPC class F01K 7/32
Total number of patents in this class: 186
10-year publication summary
|
20
|
17
|
11
|
14
|
16
|
24
|
9
|
14
|
17
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
28 |
| Echogen Power Systems, LLC | 63 |
9 |
| Energy Dome S.p.A. | 31 |
8 |
| Cixten | 6 |
6 |
| Korea Institute of Energy Research | 898 |
5 |
| Hanwha Power Systems Co., Ltd. | 51 |
5 |
| Mitsubishi Power, Ltd. | 1833 |
5 |
| The Chemours Company Fc, LLC | 1341 |
4 |
| Saudi Arabian Oil Company | 14235 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 1216 |
4 |
| The Boeing Company | 20160 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
3 |
| Hamilton Sundstrand Corporation | 5015 |
3 |
| Siemens Energy, Inc. | 1685 |
3 |
| Energy Recovery, Inc. | 191 |
3 |
| Statoil Petroleum AS | 469 |
3 |
| Boundary Energy Inc. | 17 |
3 |
| Echogen Power Systems (delawre), Inc. | 9 |
3 |
| enerscale GmbH | 5 |
3 |
| Halliburton Energy Services, Inc. | 21338 |
2 |
| Other owners | 79 |