- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/093 - 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 excess current with timing means
Patent holdings for IPC class H02H 3/093
Total number of patents in this class: 348
10-year publication summary
|
23
|
21
|
30
|
30
|
25
|
26
|
36
|
18
|
30
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24568 |
17 |
| Eaton Intelligent Power Limited | 6308 |
15 |
| Rohm Co., Ltd. | 6360 |
12 |
| Sumitomo Electric Industries, Ltd. | 14990 |
11 |
| Mitsubishi Electric Corporation | 44904 |
11 |
| Sumitomo Wiring Systems, Ltd. | 10025 |
11 |
| AutoNetworks Technologies, Ltd. | 6332 |
11 |
| Phoenix Contact GmbH & Co. KG | 2252 |
7 |
| Future Systems Besitz GmbH | 22 |
6 |
| Yazaki Corporation | 6479 |
5 |
| ABB Schweiz AG | 6635 |
5 |
| Ellenberger & Poensgen GmbH | 228 |
5 |
| Schneider Electric USA, Inc. | 1269 |
5 |
| HKC Corporation Limited | 3192 |
5 |
| S & C Electric Co. | 285 |
4 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
4 |
| Tahoe Research, Ltd. | 2050 |
4 |
| Robert Bosch GmbH | 41823 |
3 |
| Infineon Technologies AG | 8135 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 29800 |
3 |
| Other owners | 201 |