- 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special steam systems, cycles or processesControl means specially adapted for such systems, cycles or processesUse of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing typeUse of steam for feed-water heating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: 106
10-year publication summary
|
2
|
5
|
5
|
5
|
1
|
2
|
5
|
3
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24237 |
8 |
| GE Infrastructure Technology, LLC | 6214 |
7 |
| Toshiba Corporation | 12698 |
6 |
| GE Vernova Infrastructure Technology LLC | 389 |
5 |
| Ormat Technologies, Inc. | 112 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 1136 |
4 |
| Mitsubishi Power, Ltd. | 1820 |
4 |
| Kalina Power Limited | 15 |
3 |
| Alstom Technology Ltd | 1058 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 440 |
2 |
| General Electric Technology GmbH | 1346 |
2 |
| Hitachi-GE Nuclear Energy, Ltd. | 266 |
2 |
| Secco2 Engines, Inc. | 2 |
2 |
| Coneflower, Inc. | 7 |
2 |
| Trenew, LLC | 7 |
2 |
| Siemens Energy Global GmbH & Co. KG | 3237 |
2 |
| Arabelle Solutions France | 152 |
2 |
| General Electric Company | 13811 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9010 |
1 |
| Hitachi, Ltd. | 15867 |
1 |
| Other owners | 44 |