- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/50 - Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
Patent holdings for IPC class H01H 33/50
Total number of patents in this class: 25
10-year publication summary
|
2
|
2
|
0
|
1
|
2
|
1
|
1
|
2
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Schweiz AG | 7640 |
6 |
| General Electric Technology GmbH | 1337 |
3 |
| Siemens AG | 24011 |
2 |
| Cummins Power Generation IP, Inc. | 330 |
2 |
| Quality Switch, Inc. | 4 |
2 |
| S & C Electric Co. | 281 |
2 |
| Toshiba Corporation | 12577 |
1 |
| Mitsubishi Electric Corporation | 48097 |
1 |
| LS Industrial Systems Co., Ltd. | 94 |
1 |
| Lsis Co., Ltd. | 815 |
1 |
| Eaton Intelligent Power Limited | 6256 |
1 |
| ABB Technology Ltd | 433 |
1 |
| Siemens Energy Global GmbH & Co. KG | 3402 |
1 |
| Hitachi Energy Ltd. | 2593 |
1 |
| Other owners | 0 |