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WANG QINGCHANG

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    119,889
About

WANG QINGCHANG has a total of 16 patent applications. Its first patent ever was published in 1999. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines and environmental technology are TAYLOR HARVEY BIRCHARD, HALE GEORGE CONSIDER and MOODY LEWIS F.

Patent filings in countries

World map showing WANG QINGCHANGs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing WANG QINGCHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Qingchang 16
#2 Wang Qingkui 1
#3 Yu Deshun 1
#4 Zhang Shengxue 1

Latest patents

Publication Filing date Title
CN105736411A Transmission device of water-driven no-power exhaust fan
CN105736409A Supercharging assembly of water-driven no-power exhaust fan
CN105422482A Water-drive non-electric exhaust fan
CN105422481A Exhaust assembly of water-drive and non-electric exhaust fan
CN105443405A Water-drive non-power exhaust fan transmission device
CN105736408A Water-driven no-power exhaust fan
CN105422480A Water-drive and non-electric exhaust fan water-drive assembly
CN105736410A Cavity device of water-driven no-power exhaust fan
CN105351178A Intermediate body for dual-output and dual-input integral pneumatic diaphragm pump
CN105351179A Pneumatic diaphragm piece
CN105351177A Single-input and single-output integral pneumatic diaphragm pump
CN105351180A Double-outlet and double-inlet integral pneumatic diaphragm pump
CN104026875A Multifunctional small shoe cabinet
CN103948343A Practical toilet
CN1493442A Prestressed concrete rail sleeper production process using long line pedestal method
CN1261030A Technology for making relief artwork