- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 55/00 - Dynamo-electric machines having windings operating at cryogenic temperatures
Patent holdings for IPC class H02K 55/00
Total number of patents in this class: 142
10-year publication summary
|
11
|
12
|
12
|
4
|
9
|
8
|
15
|
11
|
14
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
15 |
| General Electric Company | 18133 |
5 |
| Safran Aircraft Engines | 5739 |
5 |
| Silicon Turbine Systems, Inc. | 12 |
5 |
| Universite de Lorraine | 341 |
5 |
| General Electric Renovables España, S.L. | 416 |
5 |
| ASML Netherlands B.V. | 6816 |
4 |
| Rolls-Royce PLC | 2944 |
4 |
| Ambature, Inc. | 30 |
4 |
| Hyundai Heavy Industries Co., Ltd. | 281 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Siemens Energy, Inc. | 1770 |
3 |
| Dominion Alternative Energy, LLC | 4 |
3 |
| GKN Aerospace Services Limited | 129 |
3 |
| Kyoto University | 2732 |
3 |
| OSWALD Elektromotoren GmbH | 16 |
3 |
| Zenergy Power GmbH | 20 |
3 |
| Absolut System | 8 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
3 |
| Other owners | 55 |