- 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 norm for switching devices
Patent holdings for IPC class H02H 7/22
Total number of patents in this class: 562
10-year publication summary
|
41
|
34
|
33
|
64
|
57
|
58
|
73
|
57
|
56
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6113 |
35 |
| Siemens AG | 24990 |
27 |
| ABB Schweiz AG | 6321 |
16 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
15 |
| Hitachi Energy Ltd. | 1921 |
14 |
| Mitsubishi Electric Corporation | 43934 |
11 |
| Yazaki Corporation | 6282 |
10 |
| GE Aviation Systems Limited | 257 |
10 |
| State Grid Corporation of China | 1308 |
8 |
| Future Systems Besitz GmbH | 20 |
8 |
| Robert Bosch GmbH | 40953 |
7 |
| S&C Electric Company | 172 |
7 |
| Schneider Electric Industries SAS | 1376 |
7 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
6 |
| Hamilton Sundstrand Corporation | 4525 |
6 |
| Eaton Corporation | 1839 |
5 |
| Sumitomo Electric Industries, Ltd. | 14131 |
5 |
| Alstom Technology Ltd | 1196 |
5 |
| AutoNetworks Technologies, Ltd. | 5809 |
5 |
| Chengli Li | 45 |
5 |
| Other owners | 350 |