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QINFEI HUANG

Overview
  • Total Patents
    15
About

QINFEI HUANG has a total of 15 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are CANGZHOU POWER SUPPLY CO, ASIA B & R NETWORK KK and NISSHO SEISAKUSHO KK.

Patent filings in countries

World map showing QINFEI HUANGs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing QINFEI HUANGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Qinfei Huang 15

Latest patents

Publication Filing date Title
CN101807489A Three-station switching tube
CN101783253A Eddy-spring operation device
CN101777445A Electromagnetic clutch type drive device
CN101783255A High-pressure operation mechanism
CN101799701A Operating device
CN101737436A Electromagnetic component used in clutch
CN101777440A Driving device for actuating mechanism
CN101777442A Brake mechanism for coil spring-type operation device
CN101783254A Vertex spring bracket for vertex spring type operation device
CN101504894A Intelligent high voltage duplicate power source converting switch
CN101383238A Intelligent duplicate power supply switching device
CN101393817A Chamber type intelligent duplicate power supply converting switch
CN101383239A Chamber type automatic duplicate supply converting switch
CN101266894A An intelligent high-voltage dual power conversion switch
CN101231915A Double power change-over switch without intermittence