- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 7/29 - 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 pulse modulation
Patent holdings for IPC class H02P 7/29
Total number of patents in this class: 461
10-year publication summary
|
32
|
39
|
45
|
33
|
29
|
31
|
23
|
14
|
20
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44176 |
17 |
| Black & Decker, Inc. | 2445 |
17 |
| Texas Instruments Incorporated | 19653 |
12 |
| Rohm Co., Ltd. | 6837 |
11 |
| Denso Corporation | 25579 |
10 |
| Anpec Electronics Corporation | 344 |
10 |
| Raytheon Company | 8448 |
9 |
| Omron Corporation | 7370 |
8 |
| Braun GmbH | 1383 |
7 |
| Milwaukee Electric Tool Corporation | 4967 |
7 |
| Makita Corporation | 2571 |
6 |
| Siemens AG | 24020 |
5 |
| Cilag GmbH International | 6415 |
5 |
| Nanjing Chervon Industry Co., Ltd. | 1282 |
5 |
| Toshiba Corporation | 12569 |
4 |
| Amazon Technologies, Inc. | 28118 |
4 |
| Dyson Technology Limited | 4003 |
4 |
| EBM-Papst St. Georgen GmbH & Co. KG | 225 |
4 |
| Nidec Corporation | 2817 |
4 |
| Sno-Way International, Inc. | 64 |
4 |
| Other owners | 308 |