- 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 23/02 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
Patent holdings for IPC class F01K 23/02
Total number of patents in this class: 197
10-year publication summary
|
24
|
22
|
25
|
11
|
24
|
13
|
19
|
14
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ice Thermal Harvesting, LLC | 76 |
15 |
| Echogen Power Systems, LLC | 63 |
10 |
| Powerphase International, LLC | 39 |
7 |
| General Electric Company | 17789 |
6 |
| Siemens AG | 24565 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
6 |
| Turboden SpA | 57 |
6 |
| Hi Eff Utility Rescue LLC | 5 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 858 |
5 |
| Mitsubishi Hitachi Power Systems, Ltd. | 995 |
4 |
| Associacao Paranaense de Cultura - APC | 21 |
4 |
| Kabushiki Kaisha Toyota Jidoshokki | 1730 |
4 |
| Nissan Motor Co., Ltd. | 12352 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
3 |
| Ormat Technologies, Inc. | 120 |
3 |
| Peregrine Turbine Technologies, LLC | 15 |
3 |
| Saga University | 154 |
3 |
| Sanden Corporation | 919 |
3 |
| Futurebay Limited | 6 |
3 |
| Nxn Systems Inc. | 6 |
3 |
| Other owners | 95 |