- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/26 - 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 difference between voltages or between currentsEmergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to phase angle between voltages or between currents
Patent holdings for IPC class H02H 3/26
Total number of patents in this class: 156
10-year publication summary
|
10
|
8
|
7
|
9
|
12
|
6
|
22
|
11
|
11
|
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 | 6257 |
10 |
| Siemens AG | 24020 |
9 |
| Schweitzer Engineering Laboratories, Inc. | 906 |
9 |
| ABB Schweiz AG | 7621 |
7 |
| Hubbell Incorporated | 3448 |
5 |
| General Electric Technology GmbH | 1337 |
5 |
| Texas Instruments Incorporated | 19653 |
4 |
| S & C Electric Co. | 281 |
4 |
| Toshiba Corporation | 12569 |
3 |
| Mitsubishi Electric Corporation | 48048 |
3 |
| Schneider Electric USA, Inc. | 1327 |
3 |
| ABB Research Ltd. | 795 |
2 |
| BAE Systems Controls Inc. | 228 |
2 |
| Leviton Manufacturing Co., Inc. | 813 |
2 |
| NR Electric Co., Ltd. | 347 |
2 |
| NR Engineering Co., Ltd | 307 |
2 |
| San Diego Gas & Electric Company | 63 |
2 |
| Server Technology, Inc. | 25 |
2 |
| VoltServer, Inc. | 54 |
2 |
| Andy Turudic | 3 |
2 |
| Other owners | 76 |