- 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 phase angle between voltages or between currents
Patent holdings for IPC class H02H 3/26
Total number of patents in this class: 147
10-year publication summary
|
12
|
10
|
8
|
7
|
9
|
12
|
6
|
20
|
9
|
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 | 6296 |
10 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
9 |
| Siemens AG | 24573 |
8 |
| General Electric Technology GmbH | 1599 |
7 |
| Texas Instruments Incorporated | 19418 |
4 |
| Hubbell Incorporated | 3162 |
4 |
| ABB Schweiz AG | 6624 |
4 |
| Toshiba Corporation | 12043 |
3 |
| Mitsubishi Electric Corporation | 44794 |
3 |
| S & C Electric Co. | 285 |
3 |
| Schneider Electric USA, Inc. | 1267 |
3 |
| ABB Research Ltd. | 913 |
2 |
| BAE Systems Controls Inc. | 196 |
2 |
| Leviton Manufacturing Co., Inc. | 823 |
2 |
| NR Electric Co., Ltd. | 316 |
2 |
| NR Engineering Co., Ltd | 280 |
2 |
| San Diego Gas & Electric Company | 65 |
2 |
| Andy Turudic | 3 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6227 |
2 |
| Copeland LP | 674 |
2 |
| Other owners | 71 |