- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
Patent holdings for IPC class H01H 9/44
Total number of patents in this class: 339
10-year publication summary
|
27
|
22
|
19
|
30
|
19
|
12
|
19
|
19
|
20
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7202 |
38 |
| Eaton Intelligent Power Limited | 5886 |
35 |
| Mitsubishi Electric Corporation | 45461 |
18 |
| Eaton Electrical IP GmbH & Co. KG | 157 |
17 |
| Schaltbau GmbH | 90 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 30568 |
13 |
| Fujitsu Component Limited | 258 |
10 |
| Fuji Electric FA Components & Systems Co., Ltd. | 250 |
10 |
| Siemens AG | 24532 |
9 |
| Lsis Co., Ltd. | 817 |
9 |
| ABB S.p.A. | 446 |
7 |
| Safran Electrical & Power | 662 |
7 |
| Carling Technologies, Inc. | 122 |
6 |
| Xiamen Hongfa Electric Power Controls Co., Ltd. | 123 |
6 |
| LS ELECTRIC Co., Ltd | 634 |
6 |
| ABB Schweiz AG | 6822 |
5 |
| Ellenberger & Poensgen GmbH | 230 |
5 |
| TE Connectivity Germany GmbH | 652 |
5 |
| TDK Electronics AG | 915 |
5 |
| Eaton Corporation | 1819 |
4 |
| Other owners | 108 |