- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 1/28 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by progressive increase of voltage applied to primary circuit of motor
Patent holdings for IPC class H02P 1/28
Total number of patents in this class: 86
10-year publication summary
|
5
|
3
|
13
|
2
|
4
|
3
|
6
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6158 |
9 |
| Siemens AG | 24200 |
5 |
| Rockwell Automation Technologies, Inc. | 2736 |
4 |
| Danfoss A/S | 1398 |
4 |
| Eaton Corporation | 1807 |
3 |
| Schneider Electric Industries SAS | 1560 |
3 |
| The Boeing Company | 20097 |
2 |
| Hyundai Motor Company | 23762 |
2 |
| Rohm Co., Ltd. | 6747 |
2 |
| ABB Research Ltd. | 816 |
2 |
| Woodward, Inc. | 670 |
2 |
| Seed Terminator Holdings Pty Ltd | 35 |
2 |
| Outdoor Wireless Networks LLC | 2089 |
2 |
| Samsung Electronics Co., Ltd. | 153845 |
1 |
| Robert Bosch GmbH | 43587 |
1 |
| Denso Corporation | 25183 |
1 |
| Mitsubishi Electric Corporation | 47602 |
1 |
| Semiconductor Components Industries, L.L.C. | 5260 |
1 |
| Shimadzu Corporation | 6307 |
1 |
| Makita Corporation | 2518 |
1 |
| Other owners | 37 |