- 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 25/02 - Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants 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
|
11
|
4
|
6
|
5
|
6
|
2
|
1
|
7
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
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. | 50 |
3 |
| Dresser-Rand Company | 217 |
3 |
| 3m Innovative Properties Company | 17957 |
2 |
| Siemens AG | 24565 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2720 |
2 |
| Chevron U.S.A. Inc. | 3856 |
2 |
| Cummins Intellectual Property, Inc. | 112 |
2 |
| ExxonMobil Upstream Research Company | 2454 |
2 |
| Gershon Machine Ltd. | 2 |
2 |
| International Innovations Limited | 2 |
2 |
| Maschinenwerk Misselhorn MWM GmbH | 3 |
2 |
| X Development LLC | 1427 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 858 |
2 |
| Malta Inc. | 109 |
2 |
| Great Southern Motor Company Pty. Ltd. | 3 |
2 |
| Power8 Tech Inc. | 21 |
2 |
| General Electric Company | 17789 |
1 |
| SAFRAN S.A. | 573 |
1 |
| Other owners | 50 |