- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/18 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
Patent holdings for IPC class H01H 33/18
Total number of patents in this class: 152
10-year publication summary
|
16
|
11
|
7
|
10
|
14
|
14
|
9
|
14
|
7
|
4
|
| 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 |
23 |
| Mitsubishi Electric Corporation | 46449 |
15 |
| LS ELECTRIC Co., Ltd | 735 |
11 |
| Siemens AG | 24386 |
8 |
| Carling Technologies, Inc. | 121 |
5 |
| Hitachi, Ltd. | 15572 |
4 |
| ABB S.p.A. | 439 |
4 |
| Schaltbau GmbH | 91 |
4 |
| Safran Electrical & Power | 697 |
4 |
| Fuji Electric FA Components & Systems Co., Ltd. | 250 |
3 |
| Hitachi Energy Ltd. | 2284 |
3 |
| Progress Rail Services Corp | 236 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
2 |
| Omron Corporation | 7298 |
2 |
| Siemens Industry, Inc. | 1469 |
2 |
| ABB Schweiz AG | 7055 |
2 |
| Eaton Industries GmbH | 17 |
2 |
| Gigavac LLC | 28 |
2 |
| Hyundai Heavy Industries Co., Ltd. | 274 |
2 |
| Rockwell Automation Switzerland GmbH | 46 |
2 |
| Other owners | 50 |