- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 7/34 - 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special steam systems, cycles or processesControl means specially adapted for such systems, cycles or processesUse of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing typeUse of steam for feed-water heating
Patent holdings for IPC class F01K 7/34
Total number of patents in this class: 109
10-year publication summary
|
2
|
5
|
5
|
6
|
1
|
2
|
5
|
3
|
0
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24029 |
8 |
| GE Infrastructure Technology, LLC | 6171 |
7 |
| Toshiba Corporation | 12560 |
5 |
| GE Vernova Infrastructure Technology LLC | 508 |
5 |
| Ormat Technologies, Inc. | 112 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 1216 |
4 |
| Kalina Power Limited | 14 |
3 |
| Mitsubishi Power, Ltd. | 1833 |
3 |
| Alstom Technology Ltd | 1045 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 454 |
2 |
| General Electric Technology GmbH | 1337 |
2 |
| Hitachi-GE Nuclear Energy, Ltd. | 132 |
2 |
| Secco2 Engines, Inc. | 2 |
2 |
| Harbin Turbine Company Limited | 12 |
2 |
| Coneflower, Inc. | 7 |
2 |
| Trenew, LLC | 7 |
2 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
2 |
| HE Power Equipment National Engineering Research Center Co. Ltd | 9 |
2 |
| Arabelle Solutions France | 152 |
2 |
| General Electric Company | 13899 |
1 |
| Other owners | 47 |