- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/487 - Slot-closing devices
Patent holdings for IPC class H02K 3/487
Total number of patents in this class: 281
10-year publication summary
|
19
|
19
|
19
|
19
|
39
|
23
|
27
|
44
|
32
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 8880 |
16 |
| Robert Bosch GmbH | 40953 |
12 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
11 |
| Hamilton Sundstrand Corporation | 4525 |
11 |
| Siemens Energy, Inc. | 1770 |
10 |
| Siemens AG | 24990 |
9 |
| Black & Decker, Inc. | 2402 |
9 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
8 |
| Evr Motors Ltd. | 17 |
7 |
| Hyundai Motor Company | 19021 |
6 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| Nidec Corporation | 2579 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
5 |
| Valeo Equipements Electriques Moteur | 1036 |
5 |
| GE Infrastructure Technology, LLC | 5873 |
5 |
| General Electric Company | 18133 |
4 |
| Kia Motors Corporation | 7946 |
4 |
| Audi AG | 7153 |
4 |
| Nidec Motor Corporation | 527 |
4 |
| Volkswagen AG | 6966 |
4 |
| Other owners | 137 |