- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01K - Steam engine plants; steam accumulators; engine plants not otherwise provided for; engines 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: 127
10-year publication summary
|
7
|
9
|
5
|
6
|
8
|
6
|
5
|
9
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24565 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
7 |
| Alstom Technology Ltd | 1145 |
5 |
| Bill & Melinda Gates Foundation, William H. Gates III and Melinda F. Gates, both US citizens | 31 |
5 |
| Hitachi, Ltd. | 15226 |
3 |
| Doosan Power Systems Limited | 19 |
3 |
| General Electric Company | 17789 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
2 |
| The Regents of the University of California | 19517 |
2 |
| Ansaldo Energia IP UK Limited | 24 |
2 |
| Colorado State University Research Foundation | 689 |
2 |
| CURRENTA GmbH & Co. OHG | 22 |
2 |
| DEKA Products Limited Partnership | 1707 |
2 |
| General Electric Technology GmbH | 1599 |
2 |
| Inventys Thermal Technologies Inc. | 32 |
2 |
| Practical Solutions Limited Liability Company | 4 |
2 |
| Spirax-Sarco Limited | 108 |
2 |
| E.ON Energy Projects GmbH | 11 |
2 |
| BASF SE | 20432 |
1 |
| Hitachi Chemical Company, Ltd. | 2387 |
1 |
| Other owners | 71 |