- 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: 530
10-year publication summary
|
25
|
40
|
49
|
32
|
40
|
32
|
31
|
37
|
38
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47893 |
104 |
| Siemens AG | 24064 |
62 |
| ABB Schweiz AG | 7573 |
37 |
| ABB Technology AG | 1226 |
29 |
| Eaton Intelligent Power Limited | 6222 |
27 |
| Siemens Energy Global GmbH & Co. KG | 3320 |
18 |
| Hitachi Energy Ltd. | 2550 |
18 |
| Hyosung Heavy Industries Corporation | 266 |
13 |
| Hitachi, Ltd. | 16031 |
11 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6189 |
11 |
| Alstom Technology Ltd | 1048 |
10 |
| Ormazabal y CIA, S.L.U. | 20 |
10 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1535 |
8 |
| Toshiba Energy Systems & Solutions Corp. | 1150 |
8 |
| Meidensha Corporation | 931 |
7 |
| LS ELECTRIC Co., Ltd | 830 |
7 |
| Lsis Co., Ltd. | 814 |
6 |
| State Grid Corporation of China | 1398 |
6 |
| Pinggao Group Co., Ltd. | 100 |
6 |
| Inertia Engineering and Machine Works, LLC | 13 |
6 |
| Other owners | 126 |