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ZHANG JIAHUA

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    131,849
About

ZHANG JIAHUA has a total of 21 patent applications. Its first patent ever was published in 1992. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, medical technology and surface technology and coating are SICHUAN TIANLU ENV ENG CO LTD, NANJING CHEMICAL INDUSTRY PARK METRO TECHNOLOGY ENTREPRENEURSHIP CT and YAFUJI MAKOTO.

Patent filings in countries

World map showing ZHANG JIAHUAs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing ZHANG JIAHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jiahua 20
#2 Gao Yunpeng 2
#3 Jiahua Zhang 1

Latest patents

Publication Filing date Title
CN109515169A A kind of truck Anti-theft oil tank
CN109231647A A kind of processing system of industrial chromium-containing waste water
CN109231646A A kind of processing method of industrial chromium-containing waste water
CN109111048A A kind of processing system of commercial metal waste water
CN109111049A A kind of processing method of commercial metal waste water
CN108911414A A kind of processing system of industry copper-containing wastewater
CN108911353A A kind of multiple copper-stripping reaction pond
CN106913303A Shoe cleaning device
CN106913374A Manicure knife
CN105747426A Rain gear with rainwater receiving function
CN105725444A Backpack with self-bring umbrella
CN105725837A Electric oven
CN104224310A Tissue trepanning pulverizator
CN104644104A Shoes cleaner
CN104641790A A multifunctional agricultural machine
CN104648677A Escape device for plane passengers
CN104647858A Presswork laminating machine
CN104647991A Multifunctional drawing tool
CN103405272A Tissue morcellation lithotriptoscope
CN1634805A Method for producing rotary spool valve of fuel pump impeller