- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/36 - Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
Patent holdings for IPC class H01H 33/36
Total number of patents in this class: 52
10-year publication summary
|
5
|
4
|
4
|
1
|
0
|
1
|
2
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48097 |
10 |
| ABB Schweiz AG | 7640 |
6 |
| Hitachi, Ltd. | 16146 |
3 |
| Hyundai Electric & Energy Systems Co., Ltd | 51 |
3 |
| Hitachi Energy Ltd. | 2593 |
3 |
| Siemens AG | 24011 |
2 |
| Alstom Technology Ltd | 1039 |
2 |
| State Grid Corporation of China | 1401 |
2 |
| Pinggao Group Co., Ltd. | 100 |
2 |
| Schlumberger Canada Limited | 7609 |
1 |
| Schlumberger Technology B.v. | 5295 |
1 |
| Schlumberger Holdings Limited | 2690 |
1 |
| The Boeing Company | 20168 |
1 |
| ABB Research Ltd. | 792 |
1 |
| BTICINO S.p.A. | 140 |
1 |
| GENTHERM Incorporated | 310 |
1 |
| Hydro-Quebec | 633 |
1 |
| Peter Lell | 5 |
1 |
| Prad Research and Development Limited | 2655 |
1 |
| S & C Electric Co. | 281 |
1 |
| Other owners | 8 |