- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/28 - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred for meshed systems
Patent holdings for IPC class H02H 7/28
Total number of patents in this class: 142
10-year publication summary
|
13
|
11
|
16
|
17
|
11
|
8
|
5
|
11
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Technology GmbH | 1373 |
11 |
| Siemens AG | 24409 |
10 |
| ABB Schweiz AG | 7039 |
9 |
| Hitachi Energy Ltd. | 2280 |
8 |
| Universite Grenoble Alpes | 738 |
6 |
| Institut Polytechnique de Grenoble | 400 |
4 |
| S&C Electric Company | 185 |
4 |
| Supergrid Institute | 85 |
4 |
| ABB Technology AG | 1251 |
3 |
| Schweitzer Engineering Laboratories, Inc. | 914 |
3 |
| Supergrid Institute SAS | 38 |
3 |
| Emera US Holdings Inc. | 15 |
3 |
| Airbus Operations S.A.S. | 2489 |
2 |
| ABB Inc. | 143 |
2 |
| ABB S.p.A. | 439 |
2 |
| ABB Research Ltd. | 878 |
2 |
| Cummins Power Generation IP, Inc. | 299 |
2 |
| Electrical Materials Company | 21 |
2 |
| Hydro-Quebec | 651 |
2 |
| Omicron Electronics GmbH | 272 |
2 |
| Other owners | 58 |