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YU WENJUAN

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    129,744
About

YU WENJUAN has a total of 21 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets pharmaceuticals, chemical engineering and machine tools are CHENGDU XUNDA WUCHENG BIOTECHNOLOGY CO LTD, LI XIAOJING and GONG YANFANG.

Patent filings in countries

World map showing YU WENJUANs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing YU WENJUANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Wenjuan 21
#2 Hou Meixia 1

Latest patents

Publication Filing date Title
CN112220881A Formula and processing technology of health-care traditional Chinese medicine for treating rheumatic pain
CN104406985A Humanized printed cloth detection device
CN104438257A Small cleaning device for beer bottles
CN104454658A Circulating cooling device of rotor pump
CN104474957A Sauce conveying device
CN104452252A Textile cleaning device
CN104473114A Making equipment for spices
CN104257954A Traditional Chinese medicine preparation for treating epilepsy
CN104029997A Cable tray cover plate plastic spraying conveying device
CN104028657A Cable tray bent board opening tool
CN104043983A Machining and fixing device for separated bridge frame
CN104028618A Cable tray plate positioning and square hole perforation device table mechanism
CN104028807A Cable bridge connection block punching tool
CN103861349A Intelligent control filter
CN103861340A Vertical high cleaning filter
CN103862704A Intelligently controlled squeezing device
CN103836984A Energy-saving furnace for metal smelting
CN103836946A Induction furnace for metal smelting
CN103836943A Bottom combined blowing induction furnace
CN103831072A High-efficient reaction vessel