- 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: 166
10-year publication summary
|
12
|
12
|
11
|
14
|
12
|
5
|
8
|
8
|
15
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24029 |
16 |
| Cummins Power Generation IP, Inc. | 328 |
12 |
| ABB Schweiz AG | 7607 |
11 |
| Eaton Intelligent Power Limited | 6243 |
10 |
| Schneider Electric Industries SAS | 1593 |
7 |
| Mitsubishi Electric Corporation | 48018 |
5 |
| ABB Technology AG | 1224 |
4 |
| IDEC Corporation | 119 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
3 |
| Johnson Electric International AG | 379 |
3 |
| Robert Bosch GmbH | 44160 |
2 |
| Denso Corporation | 25534 |
2 |
| Hamilton Sundstrand Corporation | 5015 |
2 |
| Hilti Aktiengesellschaft | 3668 |
2 |
| Astronics Advanced Electronic Systems Corp. | 96 |
2 |
| Berker GmbH & Co. KG | 54 |
2 |
| Hydro-Quebec | 635 |
2 |
| Indian Institute of Technology Bombay | 272 |
2 |
| MICROELETTRICA SCIENTIFICA S.p.A. | 24 |
2 |
| NOARK Electrics (Shanghai) Co., Ltd. | 50 |
2 |
| Other owners | 71 |