- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 3/28 - Power arrangements internal to the switch for operating the driving mechanism using electromagnet
Patent holdings for IPC class H01H 3/28
Total number of patents in this class: 153
10-year publication summary
|
8
|
12
|
11
|
11
|
12
|
12
|
5
|
6
|
7
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24453 |
15 |
| Cummins Power Generation IP, Inc. | 297 |
12 |
| ABB Schweiz AG | 6987 |
11 |
| Schneider Electric Industries SAS | 1491 |
7 |
| Eaton Intelligent Power Limited | 5992 |
6 |
| Mitsubishi Electric Corporation | 46197 |
4 |
| ABB Technology AG | 1254 |
4 |
| IDEC Corporation | 118 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
3 |
| Johnson Electric International AG | 373 |
3 |
| Robert Bosch GmbH | 42705 |
2 |
| Denso Corporation | 24355 |
2 |
| Hamilton Sundstrand Corporation | 4891 |
2 |
| Hilti Aktiengesellschaft | 3498 |
2 |
| Astronics Advanced Electronic Systems Corp. | 95 |
2 |
| Berker GmbH & Co. KG | 55 |
2 |
| Hydro-Quebec | 651 |
2 |
| MICROELETTRICA SCIENTIFICA S.p.A. | 24 |
2 |
| NOARK Electrics (Shanghai) Co., Ltd. | 35 |
2 |
| Tyco Electronics Corporation India Pvt Limited | 9 |
2 |
| Other owners | 64 |