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ZHIZHONG ZHANG

Overview
  • Total Patents
    16
About

ZHIZHONG ZHANG has a total of 16 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 YUYAO BOH PREC INDUSTRY AND TRADE CO LTD, MINGQUAN LIU and KAIDA ELECTRONIC CO LTD.

Patent filings in countries

World map showing ZHIZHONG ZHANGs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

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

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zhizhong Zhang 16
#2 Ji Tang 1
#3 Baiping Du 1
#4 Yuliang Sun 1
#5 Xinfa Chen 1
#6 Zhenqing Gan 1

Latest patents

Publication Filing date Title
CN102313066A Water valve control device
CN102761811A Sandwich type two-way radiant speaker and magnetic braking device thereof
CN102647650A Loudspeaker box
CN102587988A Steam engine with crankshaft
CN101893104A Water valve for solar water heater
CN102238460A Loudspeaker with built-in spider structure
CN101650086A Inlet and outlet control valve of solar water heater
CN101397664A Method for processing ceramet composite cylinder sleeve
CN101181481A Chinese medicine preparation for curing dermatosis and preparation method thereof
CN101181356A Chinese medicine preparation for curing systema digestorium ulcer and preparation method thereof
CN101194935A Traditional Chinese medicine preparation for treating acute upper respiratory tract infection and method for preparing the same
CN101181352A Chinese medicine preparation for curing acute rhinitis and preparation method thereof
CN101224387A Circulating fluid bed flue gas desulfurization process and device thereof
CN1992987A Combination structure for loudspeaker box
CN1676651A Tungsten-containing high manganese steel for wear-resistant casting
CN1505984A Deep processing method for producing serial oyster products