How many patents does
Maintenance Branch Of State Grid Fujian Electric Power Company have?
patents
390
families
315
granted
75
applications
315
CN
390
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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 Fujian Electric Power Company
Top ten assignees appearing on patents
2009
2018
Maintenance Branch Of State Grid Fujian Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for protecting power grid wide-area relay based on unit output power and load cha… 🛈 | 2 | 2013 |
| remote ultra-high voltage alternating-current transmission line fault determination meth… 🛈 | 2 | 2014 |
| ultra-high-voltage alternating-current power transmission line relay protection method b… 🛈 | 2 | 2014 |
| ultra-high voltage alternating-current transmission line relay protection method | 2 | 2014 |
| portable tool for closing spring | 2 | 2016 |
| extra-high voltage alternating-current transmission line protection method based on nega… 🛈 | 2 | 2014 |
| thee-phase three-winding transformer fault relay protection method based on sudden chang… 🛈 | 2 | 2014 |
| isolating ring used for secondary cable core of power system | 2 | 2015 |
| crossed control method for switching loads in temperature and humidity adjusting system … 🛈 | 2 | 2014 |
| kit for secondary security measures of power system | 2 | 2015 |