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GUOCHENG ZHANG

Overview
  • Total Patents
    87
About

GUOCHENG ZHANG has a total of 87 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are JIANGSU SUNLIGHT PV TECHNOLOGY CO LTD, TOTAL AIR SERVICE KK and ZHIGUO ZHANG.

Patent filings in countries

World map showing GUOCHENG ZHANGs patent filings in countries
# Country Total Patents
#1 China 87

Patent filings per year

Chart showing GUOCHENG ZHANGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Guocheng Zhang 87

Latest patents

Publication Filing date Title
CN102785767A Assistant helicopter
CN102768772A System for displaying number of people existing in building
CN102632979A Rescue submarine
CN102571055A Automatic sound control switch
CN102537895A Switch capable of automatically turning off light
CN102440548A Spray brush with short handle
CN102403745A Multi-position charger
CN102207933A Portable translating machine
CN102191765A Self-rotation type hydropower station
CN102191764A Autorotation type hydropower station
CN102194279A Automatic ticket selling system in carriage
CN102194321A Prompt system for bus station
CN102194144A Display system of carrier for automatically metering
CN102194266A Display system for automatically counting goods in building
CN102191763A Rotary hydropower station
CN102169604A Display system of population existing in building
CN102169603A System for displaying number of passengers in vehicle
CN102164266A System used for watching cooking process in kitchen in dining hall
CN102160738A Computerized soup pot
CN102047826A Aircraft device for treating 'weather'