- 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: 392
10-year publication summary
|
19
|
19
|
39
|
23
|
27
|
45
|
34
|
40
|
59
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 10968 |
30 |
| Bayerische Motoren Werke Aktiengesellschaft | 15272 |
26 |
| Robert Bosch GmbH | 44160 |
23 |
| Black & Decker, Inc. | 2446 |
11 |
| Hamilton Sundstrand Corporation | 5015 |
11 |
| MAHLE International GmbH | 2911 |
10 |
| Siemens AG | 24029 |
9 |
| Siemens Energy, Inc. | 1685 |
9 |
| Evr Motors Ltd. | 24 |
9 |
| Siemens Gamesa Renewable Energy A/S | 1961 |
7 |
| Denso Corporation | 25534 |
6 |
| Valeo Eautomotive Germany GmbH | 341 |
6 |
| Hyundai Motor Company | 24653 |
5 |
| BorgWarner Inc. | 2583 |
5 |
| Nidec Corporation | 2817 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 858 |
5 |
| Valeo Equipements Electriques Moteur | 940 |
5 |
| GE Infrastructure Technology, LLC | 6171 |
5 |
| Ampere S.A.S. | 695 |
5 |
| Mitsubishi Generator Co., Ltd. | 157 |
5 |
| Other owners | 195 |