- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/22 - 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 distribution gear, e.g. bus-bar systemsEmergency 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 switching devices
Patent holdings for IPC class H02H 7/22
Total number of patents in this class: 619
10-year publication summary
|
34
|
33
|
64
|
57
|
58
|
73
|
63
|
56
|
56
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24532 |
35 |
| Eaton Intelligent Power Limited | 5886 |
33 |
| Schweitzer Engineering Laboratories, Inc. | 913 |
16 |
| ABB Schweiz AG | 6822 |
15 |
| Hitachi Energy Ltd. | 2145 |
13 |
| Mitsubishi Electric Corporation | 45461 |
11 |
| Yazaki Corporation | 6576 |
10 |
| GE Aviation Systems Limited | 263 |
10 |
| Future Systems Besitz GmbH | 25 |
9 |
| Robert Bosch GmbH | 42222 |
8 |
| S&C Electric Company | 182 |
8 |
| Schneider Electric Industries SAS | 1463 |
8 |
| State Grid Corporation of China | 1353 |
8 |
| Sumitomo Wiring Systems, Ltd. | 10166 |
7 |
| Hamilton Sundstrand Corporation | 4804 |
7 |
| Sumitomo Electric Industries, Ltd. | 15211 |
6 |
| AutoNetworks Technologies, Ltd. | 6445 |
6 |
| Apple Inc. | 53995 |
5 |
| Eaton Corporation | 1819 |
5 |
| Alstom Technology Ltd | 1112 |
5 |
| Other owners | 394 |