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SHANGHAI YAOHUA TECHNOLOGY DEV CO LTD

Overview
  • Total Patents
    57
About

SHANGHAI YAOHUA TECHNOLOGY DEV CO LTD has a total of 57 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and civil engineering are HOBHOUSE HENRY, ECHO KK and TIANJIN HANGU REGION FUXIANG F.

Patent filings in countries

World map showing SHANGHAI YAOHUA TECHNOLOGY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 57

Patent filings per year

Chart showing SHANGHAI YAOHUA TECHNOLOGY DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wei Lili 29
#2 Cheng Qi 28
#3 Tian Qingtao 28
#4 Pan Gen 23

Latest patents

Publication Filing date Title
CN104669667A Small-sized twin-screw cold presser
CN104681203A Cable
CN104663634A Agricultural sprayer
CN104668632A Post-undercut drill bit capable of forming large taper
CN104675331A Backpitch crushing and dust-collecting drill bit device
CN104674791A Collapse prevention steel reinforcement cage
CN104680646A Bank card password input device
CN104681140A Cable with shielding function
CN104681138A Cable with high bending durability
CN104669664A Household intelligent oil press
CN104681171A Long-service-life cable
CN104675757A Impeller damping mechanism
CN104675334A Drill bit capable of automatically adjusting expansion degree
CN104667392A Piston type ear-nose-throat drug sprayer
CN104668094A Electrode stem device for purifying cooking fume
CN104681161A Cable with high tensile property
CN104663140A Cutting system for mower
CN104675709A Energy-saving type water pumping device
CN104663115A Rotary type hay mower
CN104665668A Novel foot bath device