- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 3/04 - Means for stopping or slowing by a separate brake, e.g. friction brake or eddy-current brake
Patent holdings for IPC class H02P 3/04
Total number of patents in this class: 159
10-year publication summary
|
12
|
9
|
21
|
7
|
13
|
12
|
9
|
10
|
13
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SEW-EURODRIVE GmbH & Co. KG | 2025 |
11 |
| FANUC Corporation | 7155 |
9 |
| Robert Bosch GmbH | 44034 |
6 |
| Hitachi Astemo, Ltd. | 6418 |
6 |
| Kone Oyj | 2135 |
5 |
| Illinois Tool Works Inc. | 11841 |
4 |
| Siemens AG | 24087 |
4 |
| Accelerated Systems Inc. | 52 |
3 |
| Otis Elevator Company | 2690 |
3 |
| Sumitomo Heavy Industries, Ltd. | 2100 |
3 |
| HL Mando Corporation | 1826 |
3 |
| Denso Corporation | 25444 |
2 |
| Mitsubishi Electric Corporation | 47852 |
2 |
| Hyundai Motor Company | 24480 |
2 |
| Amazon Technologies, Inc. | 27983 |
2 |
| Rockwell Automation Technologies, Inc. | 2787 |
2 |
| Omron Corporation | 7349 |
2 |
| Kia Motors Corporation | 7719 |
2 |
| Chr. Mayr GmbH & Co. KG | 86 |
2 |
| Evapco, Inc. | 311 |
2 |
| Other owners | 84 |