- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/00 - 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
Patent holdings for IPC class H02H 7/00
Total number of patents in this class: 948
10-year publication summary
|
53
|
54
|
39
|
68
|
48
|
48
|
58
|
51
|
43
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Wiring Systems, Ltd. | 9367 |
30 |
| Sumitomo Electric Industries, Ltd. | 14131 |
29 |
| AutoNetworks Technologies, Ltd. | 5809 |
29 |
| Eaton Intelligent Power Limited | 6113 |
19 |
| Denso Corporation | 23338 |
18 |
| Semiconductor Components Industries, L.L.C. | 5345 |
17 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
17 |
| Siemens AG | 24990 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
16 |
| Tokamak Energy Ltd | 169 |
15 |
| Hitachi Energy Ltd. | 1921 |
14 |
| ABB S.p.A. | 459 |
11 |
| ABB Schweiz AG | 6321 |
11 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Infineon Technologies AG | 8189 |
9 |
| Hamilton Sundstrand Corporation | 4525 |
9 |
| Rohm Co., Ltd. | 5843 |
8 |
| Siemens Industry, Inc. | 1417 |
8 |
| General Electric Company | 18133 |
7 |
| Hitachi, Ltd. | 16452 |
7 |
| Other owners | 648 |