- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/38 - 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 both voltage and currentEmergency 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 voltage and current
Patent holdings for IPC class H02H 3/38
Total number of patents in this class: 241
10-year publication summary
|
25
|
20
|
30
|
18
|
11
|
14
|
5
|
17
|
14
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24020 |
23 |
| Hubbell Incorporated | 3448 |
10 |
| Eaton Intelligent Power Limited | 6257 |
10 |
| Hitachi Energy Ltd. | 2586 |
8 |
| Schweitzer Engineering Laboratories, Inc. | 906 |
7 |
| General Electric Technology GmbH | 1337 |
6 |
| Mitsubishi Electric Corporation | 48048 |
5 |
| ABB Schweiz AG | 7621 |
5 |
| ABB Technology AG | 1224 |
5 |
| Trane International Inc. | 1229 |
5 |
| Sumitomo Electric Industries, Ltd. | 16355 |
4 |
| Sumitomo Wiring Systems, Ltd. | 11029 |
4 |
| ABB Research Ltd. | 795 |
4 |
| AutoNetworks Technologies, Ltd. | 7130 |
4 |
| AES Global Holdings, Pte. Ltd. | 402 |
4 |
| Witricity AI Tech, LLC | 421 |
4 |
| STMicroelectronics S.r.l. | 3374 |
3 |
| Applied Invention, LLC | 57 |
3 |
| Cummins Power Generation IP, Inc. | 329 |
3 |
| Ellenberger & Poensgen GmbH | 230 |
3 |
| Other owners | 121 |