- All sections
- H - Electricity
- H02B - Boards, substations or switching arrangements for the supply or distribution of electric power
- H02B 13/035 - Gas-insulated switchgear
Patent holdings for IPC class H02B 13/035
Total number of patents in this class: 516
10-year publication summary
|
45
|
25
|
36
|
48
|
32
|
39
|
32
|
31
|
35
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46590 |
100 |
| Siemens AG | 24353 |
66 |
| ABB Schweiz AG | 7079 |
36 |
| ABB Technology AG | 1251 |
30 |
| Eaton Intelligent Power Limited | 6039 |
27 |
| Siemens Energy Global GmbH & Co. KG | 3026 |
18 |
| Hitachi Energy Ltd. | 2305 |
14 |
| Hitachi, Ltd. | 15599 |
11 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6262 |
11 |
| Alstom Technology Ltd | 1093 |
10 |
| Ormazabal y CIA, S.L.U. | 20 |
10 |
| Hyosung Heavy Industries Corporation | 256 |
10 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1466 |
8 |
| Toshiba Energy Systems & Solutions Corp. | 1095 |
8 |
| Meidensha Corporation | 904 |
7 |
| LS ELECTRIC Co., Ltd | 737 |
7 |
| Lsis Co., Ltd. | 816 |
6 |
| State Grid Corporation of China | 1376 |
6 |
| Pinggao Group Co., Ltd. | 100 |
6 |
| ABB Technology Ltd | 476 |
5 |
| Other owners | 120 |