- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 3/38 - Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
Patent holdings for IPC class H01H 3/38
Total number of patents in this class: 131
10-year publication summary
|
13
|
16
|
16
|
8
|
5
|
9
|
13
|
15
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6293 |
23 |
| Schneider Electric Industries SAS | 1436 |
7 |
| ABB Schweiz AG | 6616 |
6 |
| Mitsubishi Electric Corporation | 44738 |
5 |
| Omron Corporation | 7151 |
5 |
| Siemens AG | 24572 |
3 |
| ABB S.p.A. | 450 |
3 |
| Carling Technologies, Inc. | 122 |
3 |
| Shanghai Liangxin Electrical Co., Ltd | 71 |
3 |
| Huawei Digital Power Technologies Co. Ltd. | 1859 |
3 |
| Hitachi Energy Ltd. | 2228 |
3 |
| Eaton Corporation | 1832 |
2 |
| Whirlpool Corporation | 4324 |
2 |
| Alstom Technology Ltd | 1146 |
2 |
| Rockwell Automation Technologies, Inc. | 2648 |
2 |
| Hamilton Sundstrand Corporation | 4719 |
2 |
| Amphenol-Tuchel Electronics GmbH | 197 |
2 |
| General Electric Technology GmbH | 1602 |
2 |
| Power Products, LLC | 28 |
2 |
| Qatar Foundation for Education, Science and Community Development | 260 |
2 |
| Other owners | 49 |