- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 55/02 - Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
Patent holdings for IPC class H02K 55/02
Total number of patents in this class: 91
10-year publication summary
|
5
|
4
|
7
|
6
|
8
|
10
|
7
|
8
|
8
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
14 |
| General Electric Company | 18133 |
5 |
| Universite de Lorraine | 341 |
5 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
5 |
| OSWALD Elektromotoren GmbH | 16 |
4 |
| Safran Aircraft Engines | 5739 |
4 |
| General Electric Renovables España, S.L. | 416 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| National University Corporation Tokyo University of Marine Science and Technology | 103 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
3 |
| SAFRAN S.A. | 518 |
2 |
| Rolls-Royce PLC | 2944 |
2 |
| ABB Technology AG | 1301 |
2 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2329 |
2 |
| Kyoto University | 2732 |
2 |
| Sonic Blue Aerospace, Inc. | 16 |
2 |
| Airbus S.A.S. | 819 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Other owners | 25 |