- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 7/282 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling field supply only
Patent holdings for IPC class H02P 7/282
Total number of patents in this class: 10
10-year publication summary
|
1
|
0
|
0
|
3
|
1
|
0
|
0
|
0
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0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24346 |
1 |
| Toshiba Corporation | 12514 |
1 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1958 |
1 |
| Fisher & Paykel Appliances Limited | 147 |
1 |
| MAHLE International GmbH | 2810 |
1 |
| Sintertech | 8 |
1 |
| Toshiba Electronic Devices & Storage Corporation | 2067 |
1 |
| Honeywell International s.r.o. | 1 |
1 |
| Hitachi Astemo, Ltd. | 6380 |
1 |
| Jiangsu Guotian Electrical Co., Ltd. | 1 |
1 |
| Other owners | 0 |