- 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: 65
10-year publication summary
|
6
|
5
|
5
|
4
|
3
|
5
|
3
|
8
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6308 |
7 |
| Hubbell Incorporated | 3167 |
3 |
| ABB Schweiz AG | 6635 |
3 |
| Itron, Inc. | 853 |
3 |
| Leviton Manufacturing Co., Inc. | 825 |
3 |
| S & C Electric Co. | 285 |
3 |
| eMeter Corporation | 10 |
2 |
| San Diego Gas & Electric Company | 65 |
2 |
| Schneider Electric USA, Inc. | 1269 |
2 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
2 |
| Truma Gerätetechnik GmbH & Co. KG | 297 |
2 |
| Univerza V Ljubljani | 80 |
2 |
| Vertiv Corporation | 514 |
2 |
| General Electric Company | 17794 |
1 |
| Siemens AG | 24568 |
1 |
| Fujitsu Limited | 18401 |
1 |
| Robert Bosch GmbH | 41823 |
1 |
| Industrial Technology Research Institute | 4955 |
1 |
| Mitsubishi Electric Corporation | 44904 |
1 |
| NGK Insulators, Ltd. | 4794 |
1 |
| Other owners | 22 |