- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/09 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltageEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against reduction of voltageEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against phase interruption
Patent holdings for IPC class H02H 7/09
Total number of patents in this class: 197
10-year publication summary
|
25
|
17
|
6
|
6
|
7
|
10
|
3
|
9
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25676 |
12 |
| FANUC Corporation | 7314 |
6 |
| Copeland LP | 707 |
5 |
| Siemens AG | 23983 |
4 |
| Robert Bosch GmbH | 44252 |
4 |
| GM Global Technology Operations LLC | 16205 |
4 |
| Infineon Technologies AG | 8410 |
4 |
| Mitsubishi Electric Corporation | 48236 |
4 |
| Delta Electronics, Inc. | 2850 |
4 |
| Rockwell Automation Technologies, Inc. | 2811 |
4 |
| Hamilton Sundstrand Corporation | 5013 |
4 |
| ABB Schweiz AG | 7680 |
4 |
| Regal Beloit America, Inc. | 849 |
4 |
| Mitsubishi Electric Mobility Corporation | 1163 |
4 |
| Texas Instruments Incorporated | 19639 |
3 |
| ZF Friedrichshafen AG | 7270 |
3 |
| MTD Products Inc | 665 |
3 |
| Eaton Intelligent Power Limited | 6269 |
3 |
| Texas Instruments Japan, Ltd. | 1656 |
2 |
| Ford Global Technologies, LLC | 21582 |
2 |
| Other owners | 114 |