- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/493 - Slot-closing devices magnetic
Patent holdings for IPC class H02K 3/493
Total number of patents in this class: 100
10-year publication summary
|
10
|
4
|
12
|
13
|
7
|
10
|
10
|
5
|
10
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24568 |
11 |
| Evr Motors Ltd. | 21 |
9 |
| Innomotics GmbH | 508 |
7 |
| Mitsubishi Electric Corporation | 44962 |
6 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1409 |
6 |
| Schaeffler Technologies AG & Co. KG | 9423 |
5 |
| Hitachi, Ltd. | 15247 |
4 |
| Rolls-Royce PLC | 2997 |
4 |
| Hamilton Sundstrand Corporation | 4742 |
3 |
| Siemens Gamesa Renewable Energy A/S | 1814 |
3 |
| General Electric Company | 17800 |
2 |
| Moteurs Leroy-Somer | 190 |
2 |
| Nidec ASI S.p.A. | 37 |
2 |
| Wobben Properties GmbH | 1212 |
2 |
| Proterial, Ltd. | 768 |
2 |
| Toyota Motor Corporation | 30540 |
1 |
| Honeywell International Inc. | 14033 |
1 |
| Toshiba Corporation | 12076 |
1 |
| Hitachi Metals, Ltd. | 2017 |
1 |
| Robert Bosch GmbH | 41843 |
1 |
| Other owners | 27 |