- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 21/42 - Driving mechanisms having snap action produced by compression or extension of coil spring
Patent holdings for IPC class H01H 21/42
Total number of patents in this class: 19
10-year publication summary
|
5
|
0
|
5
|
0
|
0
|
1
|
0
|
2
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0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB S.p.A. | 438 |
4 |
| Eaton Intelligent Power Limited | 6236 |
4 |
| Omron Corporation | 7358 |
2 |
| Siemens Industry, Inc. | 1587 |
1 |
| Hubbell Incorporated | 3442 |
1 |
| Durham Company, The | 11 |
1 |
| IDEC Corporation | 120 |
1 |
| Schneider Electric Industries SAS | 1592 |
1 |
| Volkswagen AG | 7457 |
1 |
| Ward Leonard CT LLC | 12 |
1 |
| Havells India Limited | 57 |
1 |
| Eaton Intelligent Power Limited | 407 |
1 |
| Other owners | 0 |