- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 31/36 - Contact moved by pantograph
Patent holdings for IPC class H01H 31/36
Total number of patents in this class: 12
10-year publication summary
|
0
|
4
|
0
|
2
|
1
|
0
|
0
|
0
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 23996 |
5 |
| Siemens Mobility Austria GmbH | 192 |
2 |
| Hitachi Energy Ltd. | 2600 |
2 |
| ABB Schweiz AG | 7656 |
1 |
| Alstom Grid S.p.A. | 2 |
1 |
| Siemens Energy Global GmbH & Co. KG | 3414 |
1 |
| Other owners | 0 |