How many patents does
Technology Branch Company Of Yunnan Power Grid Company have?

patents
278
families
230
granted
46
applications
232
CN
275
US
2
WO
1

Buy the report

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

contact us for pricing

  • VAT will apply to UK companies
  • EU companies must supply their VAT number

Check out our sample pages

advert_20200321_samples.png

Find companies to compare

Many companies now available

companies
12,000+
patents
42 million
patent families
23 million

Search to find companies of interest

read summary of their published patent

the following tables are just extracts from the report

the company report contains more information

Technology Branch Company Of Yunnan Power Grid Company
Top ten assignees appearing on patents

Technology Branch Company Of Yunnan Power Grid Company
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
method for testing mainframe performance of different types of partial discharge detecto… 🛈 4 2013
method for determining under excitation limiting curve of hydro-generator based on dropw… 🛈 2 2014
method for measuring impact earthing impedance of electric transmission overhead line st… 🛈 2 2014
control method for preventing power regulation oscillation of hydroelectric generating s… 🛈 2 2013
circuit breaker operating mechanism monitoring system and method 2 2014
method for achieving compatible meter hanging of meter hanging bases for single-phase el… 🛈 2 2014
separation achieving method for single-phase-three-phase electric energy meter compatibl… 🛈 2 2014
fault diagnosis system based on circuit breaker operating mechanism 2 2014
circuit breaker state evaluation system and method based on mechanical performance param… 🛈 2 2014
high-voltage shunt power capacitor operational monitoring system and method 2 2014