- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency 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: 141
10-year publication summary
|
12
|
16
|
15
|
8
|
5
|
9
|
13
|
14
|
3
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6023 |
21 |
| Schneider Electric Industries SAS | 1498 |
8 |
| Mitsubishi Electric Corporation | 46449 |
6 |
| ABB Schweiz AG | 7055 |
6 |
| Omron Corporation | 7298 |
5 |
| Siemens AG | 24386 |
3 |
| ABB S.p.A. | 439 |
3 |
| Carling Technologies, Inc. | 121 |
3 |
| Shanghai Liangxin Electrical Co., Ltd | 71 |
3 |
| Huawei Digital Power Technologies Co. Ltd. | 2235 |
3 |
| Chint Low Voltage Electrical Technology Co., Ltd. | 63 |
3 |
| Hitachi Energy Ltd. | 2284 |
3 |
| Eaton Corporation | 1815 |
2 |
| Whirlpool Corporation | 4441 |
2 |
| Alstom Technology Ltd | 1094 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14476 |
2 |
| Rockwell Automation Technologies, Inc. | 2735 |
2 |
| Hamilton Sundstrand Corporation | 4916 |
2 |
| Hubbell Incorporated | 3305 |
2 |
| Amphenol-Tuchel Electronics GmbH | 183 |
2 |
| Other owners | 58 |