- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency 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: 137
10-year publication summary
26
|
8
|
12
|
12
|
11
|
12
|
12
|
5
|
8
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
13 |
Cummins Power Generation IP, Inc. | 261 |
12 |
ABB Schweiz AG | 6321 |
11 |
Schneider Electric Industries SAS | 1376 |
6 |
Mitsubishi Electric Corporation | 43934 |
4 |
ABB Technology AG | 1301 |
4 |
IDEC Corporation | 113 |
4 |
Johnson Electric International AG | 390 |
3 |
Eaton Intelligent Power Limited | 6113 |
3 |
Robert Bosch GmbH | 40953 |
2 |
Denso Corporation | 23338 |
2 |
Hamilton Sundstrand Corporation | 4525 |
2 |
Hilti Aktiengesellschaft | 3227 |
2 |
Astronics Advanced Electronic Systems Corp. | 95 |
2 |
Berker GmbH & Co. KG | 55 |
2 |
Lsis Co., Ltd. | 834 |
2 |
MICROELETTRICA SCIENTIFICA S.p.A. | 23 |
2 |
TE Connectivity Solutions GmbH | 2580 |
2 |
Tyco Electronics Corporation India Pvt Limited | 9 |
2 |
Toshiba Corporation | 12017 |
1 |
Other owners | 56 |