- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 49/04 - Dynamo-electric clutchesDynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
Patent holdings for IPC class H02K 49/04
Total number of patents in this class: 282
10-year publication summary
|
24
|
18
|
23
|
30
|
19
|
28
|
15
|
27
|
21
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eddy Current Limited Partnership | 37 |
33 |
| Safran Landing Systems | 772 |
19 |
| Surewerx USA Inc. | 141 |
18 |
| Valeo Kapec Co., Ltd. | 193 |
11 |
| Nippon Steel Corporation | 6843 |
10 |
| SEW-EURODRIVE GmbH & Co. KG | 2033 |
8 |
| Robert Bosch GmbH | 44128 |
6 |
| Zytec Technologies B.V. | 7 |
6 |
| DP World Logistics US Holdings, Inc. | 56 |
6 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 835 |
5 |
| Ralentizadores y Transformaciones, S.A. | 6 |
5 |
| Schaeffler Technologies AG & Co. KG | 10948 |
4 |
| Audi AG | 7559 |
4 |
| Telma | 22 |
4 |
| TruBlue LLC, DBA Head Rush Technologies | 45 |
4 |
| Telma SAS | 5 |
4 |
| Siemens AG | 24033 |
3 |
| Hamilton Sundstrand Corporation | 5016 |
3 |
| Chi Hua Fitness Co., Ltd. | 16 |
3 |
| Aeroflux Braking Systems Inc. | 8 |
3 |
| Other owners | 123 |