- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/42 - 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 product of voltage and current
Patent holdings for IPC class H02H 3/42
Total number of patents in this class: 71
10-year publication summary
|
12
|
7
|
6
|
5
|
4
|
9
|
1
|
5
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24568 |
6 |
| Ellenberger & Poensgen GmbH | 228 |
4 |
| Robert Bosch GmbH | 41823 |
3 |
| Barksdale, Inc. | 32 |
2 |
| General Electric Technology GmbH | 1599 |
2 |
| Phoenix Contact GmbH & Co. KG | 2252 |
2 |
| San Diego Gas & Electric Company | 65 |
2 |
| Volterra Semiconductor Corporation | 115 |
2 |
| Atom Power, Inc. | 28 |
2 |
| NSE AG | 3 |
2 |
| Lutron Technology Company LLC | 2432 |
2 |
| CIMA, Lionel | 2 |
2 |
| Honda Motor Co., Ltd. | 24878 |
1 |
| Xerox Corporation | 7076 |
1 |
| The Boeing Company | 19915 |
1 |
| Fujitsu Limited | 18401 |
1 |
| Renesas Electronics Corporation | 6146 |
1 |
| Cisco Technology, Inc. | 19412 |
1 |
| Hyundai Motor Company | 20512 |
1 |
| Kyocera Corporation | 13358 |
1 |
| Other owners | 32 |