- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 25/02 - Plants or engines characterised by use of special working fluids, not otherwise provided forPlants operating in closed cycles and not otherwise provided for the fluid remaining in the liquid phase
Patent holdings for IPC class F01K 25/02
Total number of patents in this class: 109
10-year publication summary
|
4
|
6
|
5
|
6
|
2
|
1
|
8
|
2
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Echogen Power Systems, LLC | 63 |
16 |
| Echogen Power Systems, Inc. | 15 |
7 |
| Cummins Intellectual Properties, Inc. | 49 |
3 |
| Dresser-Rand Company | 206 |
3 |
| Power8 Tech Inc. | 25 |
3 |
| 3m Innovative Properties Company | 17488 |
2 |
| Siemens AG | 24033 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2856 |
2 |
| Chevron U.S.A. Inc. | 4134 |
2 |
| Cummins Intellectual Property, Inc. | 110 |
2 |
| ExxonMobil Upstream Research Company | 2306 |
2 |
| Gershon Machine Ltd. | 2 |
2 |
| Maschinenwerk Misselhorn MWM GmbH | 3 |
2 |
| X Development LLC | 1391 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 1206 |
2 |
| Great Southern Motor Company Pty. Ltd. | 3 |
2 |
| General Electric Company | 13888 |
1 |
| SAFRAN S.A. | 785 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
1 |
| Honeywell International Inc. | 12778 |
1 |
| Other owners | 51 |