- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/40 - Power arrangements internal to the switch for operating the driving mechanism using spring motor
Patent holdings for IPC class H01H 33/40
Total number of patents in this class: 104
10-year publication summary
|
10
|
9
|
16
|
6
|
7
|
6
|
2
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47971 |
23 |
| Siemens AG | 24033 |
15 |
| ABB Schweiz AG | 7590 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6181 |
7 |
| General Electric Technology GmbH | 1336 |
6 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
6 |
| Alstom Technology Ltd | 1045 |
5 |
| Hitachi Energy Ltd. | 2568 |
5 |
| Hitachi, Ltd. | 16071 |
3 |
| ABB Technology AG | 1224 |
3 |
| Eaton Corporation | 1805 |
2 |
| Toshiba Corporation | 12548 |
2 |
| Eaton Intelligent Power Limited | 407 |
2 |
| Hitachi Energy Switzerland AG | 299 |
2 |
| ABB Oy | 168 |
1 |
| Aichi Electric Works Co., Ltd. | 4 |
1 |
| Hyosung Corporation | 287 |
1 |
| ILJIN Electric Co., Ltd. | 36 |
1 |
| Lsis Co., Ltd. | 814 |
1 |
| Meidensha Corporation | 932 |
1 |
| Other owners | 9 |