- 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: 373
10-year publication summary
|
19
|
19
|
39
|
23
|
27
|
44
|
32
|
38
|
58
|
12
|
| 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 | 10649 |
28 |
| Bayerische Motoren Werke Aktiengesellschaft | 14966 |
25 |
| Robert Bosch GmbH | 43500 |
22 |
| Black & Decker, Inc. | 2417 |
11 |
| Hamilton Sundstrand Corporation | 5013 |
11 |
| Siemens AG | 24237 |
9 |
| Siemens Energy, Inc. | 1696 |
9 |
| Evr Motors Ltd. | 24 |
8 |
| Siemens Gamesa Renewable Energy A/S | 1924 |
7 |
| Denso Corporation | 25132 |
6 |
| Hyundai Motor Company | 23540 |
5 |
| BorgWarner Inc. | 2584 |
5 |
| MAHLE International GmbH | 2861 |
5 |
| Nidec Corporation | 2753 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 840 |
5 |
| Valeo Equipements Electriques Moteur | 961 |
5 |
| GE Infrastructure Technology, LLC | 6214 |
5 |
| Valeo Eautomotive Germany GmbH | 312 |
5 |
| Ampere S.A.S. | 618 |
5 |
| Mitsubishi Generator Co., Ltd. | 154 |
5 |
| Other owners | 187 |