- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 7/292 - 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 armature supply only using static converters, e.g. AC to DC
Patent holdings for IPC class H02P 7/292
Total number of patents in this class: 50
10-year publication summary
|
1
|
1
|
12
|
10
|
3
|
5
|
6
|
2
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| University of Shanghai for Science and Technology | 120 |
4 |
| Rohm Co., Ltd. | 6665 |
2 |
| Semiconductor Components Industries, L.L.C. | 5290 |
2 |
| Rockwell Automation Technologies, Inc. | 2731 |
2 |
| Schlage Lock Company LLC | 1394 |
2 |
| Canon Inc. | 41573 |
1 |
| Toshiba Corporation | 12532 |
1 |
| GM Global Technology Operations LLC | 15564 |
1 |
| Denso Corporation | 24965 |
1 |
| Ford Global Technologies, LLC | 21058 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
1 |
| LG Innotek Co., Ltd. | 8023 |
1 |
| Hamilton Sundstrand Corporation | 4994 |
1 |
| Omron Corporation | 7332 |
1 |
| ABB AG | 473 |
1 |
| Cirrus Logic, Inc. | 1786 |
1 |
| De Poan Pneumatic Corp. | 14 |
1 |
| FANUC Corporation | 6954 |
1 |
| Flextronics Automotive, Inc. | 24 |
1 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1956 |
1 |
| Other owners | 23 |