- 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: 468
10-year publication summary
|
25
|
47
|
25
|
40
|
49
|
32
|
40
|
32
|
29
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
93 |
| Siemens AG | 24990 |
66 |
| ABB Technology AG | 1301 |
35 |
| ABB Schweiz AG | 6321 |
30 |
| Eaton Intelligent Power Limited | 6113 |
25 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
19 |
| Hitachi, Ltd. | 16452 |
11 |
| Hitachi Energy Ltd. | 1921 |
11 |
| Alstom Technology Ltd | 1196 |
10 |
| Hyosung Heavy Industries Corporation | 234 |
10 |
| Ormazabal y CIA, S.L.U. | 19 |
9 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
9 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
6 |
| Lsis Co., Ltd. | 834 |
6 |
| Meidensha Corporation | 823 |
6 |
| State Grid Corporation of China | 1308 |
6 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
6 |
| Pinggao Group Co., Ltd. | 100 |
6 |
| LS ELECTRIC Co., Ltd | 506 |
6 |
| General Electric Technology GmbH | 1657 |
5 |
| Other owners | 93 |