- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/46 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to frequency deviations
Patent holdings for IPC class H02H 3/46
Total number of patents in this class: 72
10-year publication summary
|
4
|
5
|
4
|
3
|
5
|
3
|
7
|
4
|
4
|
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 | 6154 |
7 |
| Hubbell Incorporated | 3405 |
5 |
| Itron, Inc. | 954 |
4 |
| Leviton Manufacturing Co., Inc. | 816 |
4 |
| S & C Electric Co. | 280 |
4 |
| ABB Schweiz AG | 7429 |
3 |
| Schneider Electric USA, Inc. | 1339 |
3 |
| eMeter Corporation | 4 |
2 |
| San Diego Gas & Electric Company | 64 |
2 |
| Schweitzer Engineering Laboratories, Inc. | 911 |
2 |
| Univerza V Ljubljani | 99 |
2 |
| Vertiv Corporation | 695 |
2 |
| Hitachi Energy Ltd. | 2461 |
2 |
| Siemens AG | 24236 |
1 |
| Fujitsu Limited | 16989 |
1 |
| Robert Bosch GmbH | 43554 |
1 |
| Mitsubishi Electric Corporation | 47556 |
1 |
| NGK Insulators, Ltd. | 5186 |
1 |
| Lam Research Corporation | 5520 |
1 |
| ABB Technology AG | 1233 |
1 |
| Other owners | 23 |