- 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: 87
10-year publication summary
|
5
|
5
|
3
|
13
|
2
|
4
|
3
|
6
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6056 |
8 |
| Siemens AG | 24333 |
5 |
| Rockwell Automation Technologies, Inc. | 2724 |
4 |
| Danfoss A/S | 1362 |
4 |
| Eaton Corporation | 1812 |
3 |
| Schneider Electric Industries SAS | 1528 |
3 |
| The Boeing Company | 20186 |
2 |
| Hyundai Motor Company | 22842 |
2 |
| Rohm Co., Ltd. | 6561 |
2 |
| ABB Research Ltd. | 858 |
2 |
| Woodward, Inc. | 659 |
2 |
| Seed Terminator Holdings Pty Ltd | 34 |
2 |
| Outdoor Wireless Networks LLC | 2041 |
2 |
| Samsung Electronics Co., Ltd. | 149198 |
1 |
| Robert Bosch GmbH | 43096 |
1 |
| Denso Corporation | 24797 |
1 |
| Mitsubishi Electric Corporation | 46973 |
1 |
| Semiconductor Components Industries, L.L.C. | 5297 |
1 |
| Shimadzu Corporation | 6235 |
1 |
| Makita Corporation | 2481 |
1 |
| Other owners | 39 |