- 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: 102
10-year publication summary
|
4
|
7
|
6
|
8
|
10
|
7
|
8
|
8
|
15
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24436 |
14 |
| General Electric Company | 13807 |
7 |
| Universite de Lorraine | 381 |
5 |
| Siemens Gamesa Renewable Energy A/S | 1895 |
5 |
| General Electric Renovables España, S.L. | 307 |
5 |
| OSWALD Elektromotoren GmbH | 16 |
4 |
| Safran Aircraft Engines | 6302 |
4 |
| Airbus S.A.S. | 912 |
3 |
| National University Corporation Tokyo University of Marine Science and Technology | 106 |
3 |
| SAFRAN S.A. | 623 |
2 |
| Sumitomo Electric Industries, Ltd. | 15557 |
2 |
| Rolls-Royce PLC | 3125 |
2 |
| ABB Technology AG | 1252 |
2 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2415 |
2 |
| Kyoto University | 2811 |
2 |
| Rolls-Royce Deutschland Ltd & Co KG | 818 |
2 |
| Sonic Blue Aerospace, Inc. | 7 |
2 |
| GE Infrastructure Technology, LLC | 6241 |
2 |
| Hitachi, Ltd. | 15531 |
1 |
| Hyundai Motor Company | 22167 |
1 |
| Other owners | 32 |