- 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: 653
10-year publication summary
|
30
|
31
|
60
|
54
|
58
|
71
|
62
|
55
|
55
|
54
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24344 |
36 |
| Eaton Intelligent Power Limited | 6056 |
33 |
| ABB Schweiz AG | 7139 |
17 |
| Schweitzer Engineering Laboratories, Inc. | 909 |
16 |
| Hitachi Energy Ltd. | 2313 |
16 |
| Mitsubishi Electric Corporation | 46765 |
11 |
| Yazaki Corporation | 6756 |
10 |
| GE Aviation Systems Limited | 268 |
10 |
| Future Systems Besitz GmbH | 28 |
9 |
| Robert Bosch GmbH | 42984 |
8 |
| S&C Electric Company | 185 |
8 |
| Schneider Electric Industries SAS | 1515 |
8 |
| State Grid Corporation of China | 1378 |
8 |
| Sumitomo Wiring Systems, Ltd. | 10527 |
7 |
| Hamilton Sundstrand Corporation | 4950 |
7 |
| Apple Inc. | 56070 |
6 |
| Sumitomo Electric Industries, Ltd. | 15705 |
6 |
| AutoNetworks Technologies, Ltd. | 6714 |
6 |
| Eaton Corporation | 1813 |
5 |
| Alstom Technology Ltd | 1088 |
5 |
| Other owners | 421 |