- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/50 - 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 the appearance of abnormal wave forms, e.g. AC in DC installations
Patent holdings for IPC class H02H 3/50
Total number of patents in this class: 56
10-year publication summary
|
7
|
8
|
7
|
7
|
5
|
2
|
10
|
4
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24477 |
12 |
| Eaton Intelligent Power Limited | 5989 |
6 |
| Emprimus, LLC | 16 |
3 |
| TechHold, LLC | 48 |
3 |
| Hubbell Incorporated | 3266 |
2 |
| General Electric Technology GmbH | 1369 |
2 |
| Nitto Kogyo Corporation | 44 |
2 |
| S & C Electric Co. | 293 |
2 |
| Schweitzer Engineering Laboratories, Inc. | 913 |
2 |
| Intelesol, LLC | 38 |
2 |
| Illinois Tool Works Inc. | 11469 |
1 |
| Robert Bosch GmbH | 42684 |
1 |
| Brother Industries, Ltd. | 12972 |
1 |
| Mitsubishi Electric Corporation | 46127 |
1 |
| Omron Corporation | 7263 |
1 |
| ABB Schweiz AG | 6976 |
1 |
| Ampcontrol Pty Ltd | 2 |
1 |
| GE Intelligent Platforms, Inc. | 130 |
1 |
| Isra-juk Electronics Ltd. | 4 |
1 |
| Littelfuse, Inc. | 793 |
1 |
| Other owners | 10 |