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XU QINGHUA

Overview
  • Total Patents
    274
  • GoodIP Patent Rank
    33,744
About

XU QINGHUA has a total of 274 patent applications. Its first patent ever was published in 1993. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, foods and drinks and packaging and shipping are FUJI XEROX OFFICE SUPPLY CO LT, NEMOTO KOGYO KK and BEIJING AGRICULTURAL COLLEGE.

Patent filings in countries

World map showing XU QINGHUAs patent filings in countries
# Country Total Patents
#1 China 274

Patent filings per year

Chart showing XU QINGHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Qinghua 272
#2 Xu Shengying 224
#3 Yuan Changbing 184
#4 Jiang Wenlan 182
#5 Yuan Xin 108
#6 Li Xuedong 33
#7 Jin Baiyun 30
#8 Huang Feixiang 23
#9 Huang Yunjin 23
#10 Xu Zhiwei 19

Latest patents

Publication Filing date Title
CN110547406A popcorn machine with uniform popcorn grains
CN110550330A Filtration formula puffed rice insulation can
CN110547404A Popcorn machine with screening function
CN110547405A Popcorn screening and storing box
CN110550331A Popcorn insulation can that can multilayer be selected separately
CN110547403A A sell case for puffed rice machine
CN110547498A Pan preparation puffed rice auxiliary device
CN110555951A Popcorn selling device
CN110550291A Prevent empting popcorn bucket
CN110550311A Puffed rice insulation can
CN108267805A Reflecting cap and the method for manufacturing the Reflecting cap
CN106865518A Mobile double-side reverberatory furnace calgon new production process
CN103758232A Unfired chlorite foaming acoustic panel
CN103758230A Unfired vermiculite foaming acoustic board
CN103758235A Unfired I/S clay mineral foaming acoustic panel
CN103866873A Baking-free illite-mixed-layer clay mineral foamed sound-absorbing board
CN103758231A Unfired C/S clay mineral foaming acoustic panel
CN103758233A Unfired perlite foaming acoustic board
CN103866872A Baking-free pyrophyllite foamed sound-absorbing board
CN103758234A Unfired illite foaming acoustic panel