- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling 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: 91
10-year publication summary
|
12
|
5
|
6
|
3
|
13
|
2
|
4
|
2
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
10 |
| Eaton Intelligent Power Limited | 6113 |
8 |
| Rockwell Automation Technologies, Inc. | 2547 |
4 |
| Danfoss A/S | 1259 |
4 |
| Eaton Corporation | 1839 |
3 |
| Schneider Electric Industries SAS | 1376 |
3 |
| The Boeing Company | 19843 |
2 |
| Rohm Co., Ltd. | 5843 |
2 |
| ABB Research Ltd. | 953 |
2 |
| CommScope EMEA Limited | 512 |
2 |
| CommScope Technologies LLC | 4937 |
2 |
| Woodward, Inc. | 602 |
2 |
| Seed Terminator Holdings Pty Ltd | 28 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Denso Corporation | 23338 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Semiconductor Components Industries, L.L.C. | 5345 |
1 |
| Shimadzu Corporation | 5791 |
1 |
| Makita Corporation | 2339 |
1 |
| Other owners | 38 |