- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/17 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
Patent holdings for IPC class H02H 3/17
Total number of patents in this class: 55
10-year publication summary
|
4
|
11
|
5
|
6
|
2
|
1
|
2
|
2
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6308 |
5 |
| Siemens AG | 24568 |
3 |
| Airbus Operations S.A.S. | 2449 |
3 |
| Bender GmbH & Co. KG | 117 |
3 |
| Hitachi Energy Ltd. | 2236 |
3 |
| Sanyo Electric Co., Ltd. | 3789 |
2 |
| ABB Research Ltd. | 912 |
2 |
| Intermountain Electronics, Inc. | 13 |
2 |
| Win MS | 11 |
2 |
| Ze Chen | 30 |
2 |
| Winter Brothers AB | 7 |
2 |
| Denso Corporation | 23803 |
1 |
| Infineon Technologies AG | 8135 |
1 |
| Huawei Technologies Co., Ltd. | 106915 |
1 |
| Li-Tec Battery GmbH | 240 |
1 |
| Alstom Technology Ltd | 1145 |
1 |
| ABB Schweiz AG | 6635 |
1 |
| BRUSA Elektronik AG | 112 |
1 |
| Drexel University | 972 |
1 |
| Lsis Co., Ltd. | 817 |
1 |
| Other owners | 17 |