- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/247 - 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 undervoltage or no-voltage having timing means
Patent holdings for IPC class H02H 3/247
Total number of patents in this class: 52
10-year publication summary
|
3
|
6
|
4
|
5
|
3
|
4
|
1
|
4
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24029 |
5 |
| Semiconductor Components Industries, L.L.C. | 5262 |
4 |
| Black & Decker, Inc. | 2446 |
3 |
| Infineon Technologies AG | 8402 |
2 |
| Mitsubishi Electric Corporation | 48018 |
2 |
| Hewlett Packard Enterprise Development LP | 11493 |
2 |
| Unilectric, LLC | 4 |
2 |
| I-ewm Acquisition, LLC | 30 |
2 |
| International Business Machines Corporation | 62634 |
1 |
| Yamaha Corporation | 4074 |
1 |
| STMicroelectronics S.r.l. | 3377 |
1 |
| STMicroelectronics (Rousset) SAS | 961 |
1 |
| ZTE Corporation | 44170 |
1 |
| Continental Automotive GmbH | 4503 |
1 |
| ABB Schweiz AG | 7607 |
1 |
| Carling Technologies, Inc. | 99 |
1 |
| Continental Automotive France | 605 |
1 |
| eMeter Corporation | 4 |
1 |
| Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co. Limited | 442 |
1 |
| FSP Technology Inc. | 132 |
1 |
| Other owners | 18 |