- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 3/22 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by short-circuit or resistive braking
Patent holdings for IPC class H02P 3/22
Total number of patents in this class: 435
10-year publication summary
|
29
|
36
|
29
|
34
|
46
|
34
|
46
|
32
|
39
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
31 |
| Mitsubishi Electric Corporation | 43934 |
17 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
15 |
| Siemens AG | 24990 |
13 |
| FANUC Corporation | 5803 |
11 |
| Makita Corporation | 2339 |
8 |
| Black & Decker, Inc. | 2402 |
7 |
| Milwaukee Electric Tool Corporation | 3572 |
7 |
| Vestas Wind Systems A/S | 3459 |
7 |
| Rockwell Automation Technologies, Inc. | 2547 |
6 |
| Minebea Mitsumi Inc. | 1461 |
6 |
| ZF Friedrichshafen AG | 6820 |
5 |
| Otis Elevator Company | 2677 |
5 |
| LG Electronics Inc. | 69257 |
4 |
| Delta Electronics, Inc. | 2401 |
4 |
| Aisin AW Co., Ltd. | 2430 |
4 |
| Geze GmbH | 177 |
4 |
| Konecranes Global Corporation | 484 |
4 |
| Moog Inc. | 424 |
4 |
| Nidec Servo Corporation | 97 |
4 |
| Other owners | 269 |