- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/24 - Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
Patent holdings for IPC class H01H 33/24
Total number of patents in this class: 60
10-year publication summary
|
5
|
1
|
2
|
7
|
1
|
2
|
1
|
0
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24386 |
15 |
| Siemens Energy Global GmbH & Co. KG | 3020 |
7 |
| Alstom Technology Ltd | 1094 |
5 |
| Hitachi Energy Ltd. | 2284 |
5 |
| ABB Technology AG | 1251 |
4 |
| ABB Schweiz AG | 7055 |
3 |
| Mitsubishi Electric Corporation | 46449 |
2 |
| Eaton Industries (Netherlands) B.V. | 77 |
2 |
| G & W Electric Company | 146 |
2 |
| Secheron SA | 25 |
2 |
| Toshiba Corporation | 12502 |
1 |
| Tyco Electronics UK Limited | 471 |
1 |
| Carling Technologies, Inc. | 121 |
1 |
| Hyosung Corporation | 289 |
1 |
| Lsis Co., Ltd. | 816 |
1 |
| Ormazabal y CIA, S.L.U. | 20 |
1 |
| Schneider Electric USA, Inc. | 1294 |
1 |
| Siemen Ltd. | 1 |
1 |
| Southern States, LLC | 68 |
1 |
| ABB Technology Ltd | 477 |
1 |
| Other owners | 3 |