- All sections
- H - Electricity
- H01B - Cablesconductorsinsulatorsselection of materials for their conductive, insulating or dielectric properties
- H01B 17/42 - Means for obtaining improved distribution of voltageProtection against arc discharges
Patent holdings for IPC class H01B 17/42
Total number of patents in this class: 100
10-year publication summary
|
6
|
6
|
6
|
6
|
9
|
6
|
5
|
3
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Energy Ltd. | 2619 |
8 |
| Siemens Energy Global GmbH & Co. KG | 3447 |
6 |
| Siemens AG | 23983 |
4 |
| TE Connectivity Solutions GmbH | 3065 |
4 |
| ABB Technology Ltd | 424 |
4 |
| Lockheed Martin Corporation | 3254 |
3 |
| ABB Technology AG | 1220 |
3 |
| Beijing Railway Institute of Mechanical & Electrical Engineering Co., Ltd | 6 |
3 |
| Jiangsu Shemar Electric Co., Ltd | 84 |
3 |
| Lapp Insulators GmbH | 13 |
3 |
| Schneider Electric USA, Inc. | 1325 |
3 |
| State Grid Corporation of China | 1405 |
3 |
| Hubbell Incorporated | 3456 |
2 |
| HSP Hochspannungsgeräte GmbH | 143 |
2 |
| North China Electric Power University | 186 |
2 |
| Wuhan NARI Limited Liability Company of State Grid Electric Power Research Institute | 33 |
2 |
| Sinoma Advanced Materials Co., Ltd. | 4 |
2 |
| Shanghai Shemar Power Engineering Co., Ltd. | 27 |
2 |
| Sinoma Jiangxi Insulator and Electricity Co., Ltd. | 3 |
2 |
| The Boeing Company | 20196 |
1 |
| Other owners | 38 |