- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/46 - Motors having additional short-circuited winding for starting as an asynchronous motor
Patent holdings for IPC class H02K 21/46
Total number of patents in this class: 84
10-year publication summary
|
5
|
11
|
6
|
6
|
1
|
0
|
1
|
12
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5018 |
5 |
| Baldor Electric Company | 48 |
5 |
| ABB Schweiz AG | 7460 |
5 |
| Mazda Motor Corporation | 3271 |
5 |
| Motor Generator Technology, Inc. | 6 |
5 |
| COREteQ Systems Ltd. | 16 |
4 |
| Siemens AG | 24199 |
3 |
| GREE Electric Appliances, Inc. of Zhuhai | 3281 |
3 |
| Grundfos Management a/s | 173 |
3 |
| Halliburton Energy Services, Inc. | 21217 |
2 |
| LG Electronics Inc. | 75045 |
2 |
| Hyundai Motor Company | 23824 |
2 |
| Schaeffler Technologies AG & Co. KG | 10725 |
2 |
| Arcelik A.S. | 3392 |
2 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1540 |
2 |
| Korea Electronics Technology Institute | 1707 |
2 |
| Nidec Corporation | 2767 |
2 |
| Westinghouse Air Brake Technologies Corporation | 490 |
2 |
| Hyosung Heavy Industries Corporation | 265 |
2 |
| Kia Corporation | 11577 |
2 |
| Other owners | 24 |