- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 17/04 - Use of steam or condensate extracted or exhausted from steam engine plant for specific purposes other than heating
Patent holdings for IPC class F01K 17/04
Total number of patents in this class: 132
10-year publication summary
|
9
|
5
|
6
|
8
|
6
|
5
|
10
|
8
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 23972 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
7 |
| Alstom Technology Ltd | 1034 |
5 |
| Gates Foundation, Gates, William H., Iiiindividualwashington | 25 |
5 |
| Hitachi, Ltd. | 16194 |
3 |
| Doosan Power Systems Limited | 19 |
3 |
| Practical Solutions Limited Liability Company | 6 |
3 |
| General Electric Company | 13966 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3387 |
2 |
| The Regents of the University of California | 20868 |
2 |
| Ansaldo Energia IP UK Limited | 23 |
2 |
| Colorado State University Research Foundation | 724 |
2 |
| CURRENTA GmbH & Co. OHG | 21 |
2 |
| DEKA Products Limited Partnership | 1906 |
2 |
| General Electric Technology GmbH | 1322 |
2 |
| Inventys Thermal Technologies Inc. | 22 |
2 |
| NuScale Power, LLC | 310 |
2 |
| Saudi Arabian Oil Company | 14349 |
2 |
| Spirax-Sarco Limited | 100 |
2 |
| Star Engine S.r.l. | 5 |
2 |
| Other owners | 73 |