- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/42 - Knife-and-clip contacts
Patent holdings for IPC class H01H 1/42
Total number of patents in this class: 118
10-year publication summary
|
9
|
7
|
13
|
15
|
6
|
3
|
2
|
3
|
9
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Schweiz AG | 7590 |
25 |
| Siemens AG | 24033 |
6 |
| Hitachi Energy Ltd. | 2568 |
6 |
| Mitsubishi Electric Corporation | 47971 |
5 |
| Hubbell Incorporated | 3442 |
4 |
| Eaton Intelligent Power Limited | 6236 |
4 |
| Cummins Power Generation IP, Inc. | 328 |
3 |
| Schneider Electric USA, Inc. | 1327 |
3 |
| SOCOMEC | 87 |
3 |
| Nuventura GmbH | 10 |
3 |
| ABB Schweiz AG | 22 |
3 |
| Yazaki Corporation | 7097 |
2 |
| Alstom Technology Ltd | 1045 |
2 |
| Omron Corporation | 7358 |
2 |
| ABB Oy | 168 |
2 |
| ABB Technology AG | 1224 |
2 |
| Bremas Ersce S.p.A. | 15 |
2 |
| Jiangshan Electric Technology Development Co., Ltd. | 2 |
2 |
| MICROELETTRICA SCIENTIFICA S.p.A. | 24 |
2 |
| Sensata Technologies, Inc. | 434 |
2 |
| Other owners | 35 |