- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 3/30 - Power arrangements internal to the switch for operating the driving mechanism using spring motor
Patent holdings for IPC class H01H 3/30
Total number of patents in this class: 326
10-year publication summary
|
27
|
31
|
34
|
26
|
22
|
13
|
11
|
10
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24573 |
54 |
| Eaton Intelligent Power Limited | 6296 |
28 |
| Hitachi Energy Ltd. | 2232 |
23 |
| ABB Technology AG | 1272 |
20 |
| ABB Schweiz AG | 6624 |
18 |
| Maschinenfabrik Reinhausen GmbH | 744 |
15 |
| Siemens Energy Global GmbH & Co. KG | 2828 |
15 |
| Eaton Corporation | 1831 |
11 |
| Mitsubishi Electric Corporation | 44794 |
11 |
| Alstom Technology Ltd | 1145 |
9 |
| Schneider Electric Industries SAS | 1437 |
9 |
| General Electric Technology GmbH | 1599 |
7 |
| Zhejiang Chint Electrics Co., Ltd. | 213 |
7 |
| Seari Electric Technology Co., Ltd. | 102 |
6 |
| State Grid Corporation of China | 1347 |
6 |
| Pinggao Group Co., Ltd. | 100 |
4 |
| Hubbell Incorporated | 3162 |
3 |
| ABB Oy | 165 |
3 |
| Toshiba Corporation | 12043 |
2 |
| Omron Corporation | 7152 |
2 |
| Other owners | 73 |