- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/82 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
Patent holdings for IPC class H01H 33/82
Total number of patents in this class: 16
10-year publication summary
|
1
|
3
|
2
|
1
|
2
|
1
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 23996 |
3 |
| Hitachi Energy Ltd. | 2600 |
3 |
| ABB Technology AG | 1224 |
2 |
| Southern States, LLC | 84 |
2 |
| Toshiba Corporation | 12584 |
1 |
| Hitachi, Ltd. | 16157 |
1 |
| Siemens Industry, Inc. | 1583 |
1 |
| Zotup S.r.l. | 9 |
1 |
| Hyosung Heavy Industries Corporation | 276 |
1 |
| Siemens Energy Global GmbH & Co. KG | 3414 |
1 |
| Other owners | 0 |