- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/055 - 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 transformers for tapped transformers or tap-changing means thereof
Patent holdings for IPC class H02H 7/055
Total number of patents in this class: 27
10-year publication summary
|
1
|
0
|
7
|
5
|
1
|
1
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Energy Ltd. | 2236 |
8 |
| ABB Schweiz AG | 6635 |
5 |
| Maschinenfabrik Reinhausen GmbH | 745 |
3 |
| ABB Research Ltd. | 912 |
2 |
| ABB Technology Ltd | 482 |
2 |
| ABB Technology AG | 1270 |
1 |
| Lsis Co., Ltd. | 817 |
1 |
| PulseIQ LLC. | 6 |
1 |
| Saudi Arabian Oil Company | 12481 |
1 |
| SolarEdge Technologies Ltd. | 582 |
1 |
| Easun-mr TAP Changers (P) Ltd | 4 |
1 |
| Hitachi Energy Switzerland AG | 308 |
1 |
| Other owners | 0 |