- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/26 - 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
Patent holdings for IPC class H02H 7/26
Total number of patents in this class: 1539
10-year publication summary
|
104
|
136
|
110
|
135
|
113
|
135
|
82
|
84
|
91
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24189 |
102 |
| Hitachi Energy Ltd. | 2506 |
80 |
| ABB Schweiz AG | 7464 |
68 |
| Schweitzer Engineering Laboratories, Inc. | 912 |
58 |
| General Electric Technology GmbH | 1345 |
43 |
| State Grid Corporation of China | 1387 |
43 |
| NR Electric Co., Ltd. | 344 |
38 |
| NR Engineering Co., Ltd | 303 |
36 |
| Eaton Intelligent Power Limited | 6170 |
34 |
| S&C Electric Company | 182 |
26 |
| Mitsubishi Electric Corporation | 47655 |
21 |
| ABB Technology AG | 1233 |
21 |
| ABB S.p.A. | 438 |
18 |
| S & C Electric Co. | 279 |
18 |
| ABB Research Ltd. | 814 |
17 |
| Leviton Manufacturing Co., Inc. | 821 |
17 |
| Schneider Electric Industries SAS | 1563 |
13 |
| Schneider Electric USA, Inc. | 1344 |
13 |
| Alstom Technology Ltd | 1057 |
12 |
| Supergrid Institute | 89 |
10 |
| Other owners | 851 |