- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/00 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets
Patent holdings for IPC class H02K 21/00
Total number of patents in this class: 180
10-year publication summary
|
20
|
14
|
11
|
6
|
8
|
21
|
7
|
8
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12687 |
7 |
| The United States of America as represented by the Secretary of the Navy | 2849 |
3 |
| Hamilton Sundstrand Corporation | 5019 |
3 |
| LG Electronics Inc. | 75274 |
2 |
| Caterpillar Inc. | 10191 |
2 |
| TDK Corporation | 6821 |
2 |
| AeroVironment, Inc. | 565 |
2 |
| Apparent Energy, Inc. | 3 |
2 |
| BYD Company Limited | 6317 |
2 |
| FEAAM GmbH | 38 |
2 |
| Gates Corporation | 1144 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3289 |
2 |
| GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 166 |
2 |
| Husqvarna AB | 2989 |
2 |
| L-3 Communications Magnet-Motor GmbH | 29 |
2 |
| QM Power, Inc. | 52 |
2 |
| Tempel Steel Company | 16 |
2 |
| Flender GmbH | 417 |
2 |
| Vestas Wind Systems A/S | 3770 |
2 |
| Obshchestvo S Ogranichennoj Otvetstvennostyu "vdm-tekhnika" | 2 |
2 |
| Other owners | 133 |