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HUAWEN ZHANG

Overview
  • Total Patents
    13
About

HUAWEN ZHANG has a total of 13 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are PROIZV OB SILOVOJ ELEKTRONIKI, JINAN NUOHUI ENERGY SAVING TECHNOLOGY DEV CO LTD and SHANYI WANG.

Patent filings in countries

World map showing HUAWEN ZHANGs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

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

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Huawen Zhang 13
#2 Jinhua Chen 3
#3 Yongfu Wan 3

Latest patents

Publication Filing date Title
CN101932147A Induction heating device
CN101929894A Heat probe
CN101869426A Safety-type electromagnetic induction heating nonmetal pot
CN101779910A Safety electromagnetic induction heating ceramic pot
CN101779911A Energy-saving ceramic cooker
CN101744520A Non-pressure or pressure energy-saving electric rice cooker
CN101744523A Energy-saving electric heating cooker
CN101744521A Non water insulation type energy-saving electric steaming pot
CN101744522A Energy-saving electric heating cooker
CN101310915A Processing method of pin bush of project excavator track
CN101306443A Vehicle oil pump bracket spline processing die
CN101306442A Process method of tripod ball inner sliding sleeve capable of axially moving and back extrusion concave die
CN1883848A Production process for preparing finish forged blank of axial-shifting through-hole type universal joint housing and dedicated die therefor