- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 83/04 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Patent holdings for IPC class H01H 83/04
Total number of patents in this class: 160
10-year publication summary
|
12
|
12
|
21
|
12
|
9
|
7
|
8
|
15
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3167 |
51 |
| Eaton Intelligent Power Limited | 6300 |
14 |
| Leviton Manufacturing Co., Inc. | 825 |
7 |
| Pass & Seymour, Inc. | 177 |
6 |
| Schneider Electric USA, Inc. | 1267 |
6 |
| Ze Chen | 30 |
6 |
| Siemens AG | 24565 |
5 |
| ABB Schweiz AG | 6632 |
5 |
| Carling Technologies, Inc. | 122 |
3 |
| Chengli Li | 52 |
3 |
| Eaton Industries (Austria) GmbH | 104 |
3 |
| Schneider Electric Industries SAS | 1442 |
3 |
| Ford Global Technologies, LLC | 20070 |
2 |
| Siemens Industry, Inc. | 1430 |
2 |
| Fuji Electric FA Components & Systems Co., Ltd. | 250 |
2 |
| Hager-electro SAS | 109 |
2 |
| Littelfuse, Inc. | 769 |
2 |
| Western Automation Research & Development Ltd | 12 |
2 |
| Zhejiang Chint Electrics Co., Ltd. | 213 |
2 |
| Zhejiang Dinway Sci-Tech Co., Ltd. | 4 |
2 |
| Other owners | 32 |