How many patents does
Maintenance Branch Of State Grid Hebei Electric Power Company have?
patents
359
families
320
granted
38
applications
321
CN
358
WO
1
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Maintenance Branch Of State Grid Hebei Electric Power Company
Top ten assignees appearing on patents
2009
2018
Maintenance Branch Of State Grid Hebei Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| mimic-disconnecting switch testing device for relay protection and control method thereof | 3 | 2013 |
| thermometer damping device | 2 | 2014 |
| multi-dimensional rotating maintenance platform | 2 | 2016 |
| charged oil compensating method for on-load tap changer oil conservator of main transfor… 🛈 | 2 | 2016 |
| equipment transferring obstacle overcoming vehicle | 2 | 2014 |
| dismounting, mounting and transferring device for transformer | 2 | 2014 |
| composite insulator bowl head anti-shedding hoop | 2 | 2016 |
| intelligent protection apparatus | 2 | 2016 |
| power enterprise field operation risk analysis method based on fault tree analysis | 2 | 2014 |
| cable stripper capable of adjusting stripping thickness | 2 | 2014 |