- 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: 305
10-year publication summary
|
19
|
19
|
19
|
39
|
23
|
27
|
45
|
33
|
36
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 9405 |
19 |
| Robert Bosch GmbH | 41823 |
17 |
| Bayerische Motoren Werke Aktiengesellschaft | 13882 |
16 |
| Hamilton Sundstrand Corporation | 4737 |
11 |
| Black & Decker, Inc. | 2407 |
10 |
| Siemens AG | 24568 |
9 |
| Siemens Energy, Inc. | 1735 |
9 |
| Evr Motors Ltd. | 21 |
8 |
| Siemens Gamesa Renewable Energy A/S | 1807 |
8 |
| Denso Corporation | 23803 |
5 |
| Hyundai Motor Company | 20512 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 799 |
5 |
| Valeo Equipements Electriques Moteur | 1018 |
5 |
| GE Infrastructure Technology, LLC | 6116 |
5 |
| Mitsubishi Generator Co., Ltd. | 125 |
5 |
| General Electric Company | 17794 |
4 |
| Audi AG | 7284 |
4 |
| Nidec Corporation | 2603 |
4 |
| Nidec Motor Corporation | 524 |
4 |
| Volkswagen AG | 7289 |
4 |
| Other owners | 148 |