- 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: 156
10-year publication summary
|
11
|
8
|
11
|
14
|
14
|
9
|
15
|
7
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6276 |
23 |
| Mitsubishi Electric Corporation | 48351 |
16 |
| LS ELECTRIC Co., Ltd | 879 |
11 |
| Siemens AG | 23956 |
7 |
| Carling Technologies, Inc. | 99 |
5 |
| Hitachi, Ltd. | 16206 |
4 |
| ABB S.p.A. | 439 |
4 |
| Schaltbau GmbH | 92 |
4 |
| Safran Electrical & Power | 778 |
4 |
| ABB Schweiz AG | 7724 |
3 |
| Fuji Electric FA Components & Systems Co., Ltd. | 245 |
3 |
| Huawei Digital Power Technologies Co. Ltd. | 2561 |
3 |
| Hitachi Energy Ltd. | 2642 |
3 |
| Progress Rail Services Corp | 217 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
2 |
| Omron Corporation | 7425 |
2 |
| Siemens Industry, Inc. | 1589 |
2 |
| Eaton Industries GmbH | 14 |
2 |
| Gigavac LLC | 28 |
2 |
| Hyundai Heavy Industries Co., Ltd. | 269 |
2 |
| Other owners | 52 |