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DONG JUAN

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    71,249
About

DONG JUAN has a total of 23 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets control, environmental technology and electrical machinery and energy are LI GUOHUA, WANG YINDI and JIANG XUE.

Patent filings in countries

World map showing DONG JUANs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing DONG JUANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dong Juan 18
#2 Liu Ying 4
#3 Yu Hongwei 4
#4 Liu Yuanyuan 1
#5 Fu Qiang 1
#6 Xue Hui 1
#7 An Fengyu 1
#8 Zhao Ming 1
#9 Jia Xiaohui 1
#10 Fan Xuepu 1

Latest patents

Publication Filing date Title
CN112253959A Portable moral education teaching device
CN111823335A Mechanical device for wood cutting, polishing and punching
CN111994046A Excavator track cleaning device and cleaning method
CN111932989A Mathematical operation board and use method
CN111960647A Waste glass recovery device and use method
CN111739360A Random English word learning tool
CN111787441A Pick-up device for efficiently improving English listening and speaking teaching
CN111248959A Medical suture
CN111281087A Gauze mask hand-free intelligence extirpator
CN111462536A English reading blank filling learning machine
CN111223368A English word memory auxiliary device
CN110652443A Local fumigator for skin diseases
CN110639214A Children toy
CN110707243A Toy battery capable of reducing power consumption during idling
CN110368050A A kind of wound stitching unstrument for joint position
CN110296585A A kind of Medical sterilizing brush multistation disinfection pedestal
CN110034308A A kind of dry cell with anti-leakage function
CN110071347A A kind of battery for cryogenically band
CN109830642A A kind of dedicated anticreep battery of toy
CN105343433A Traditional Chinese medicine composition capable of promoting ovulation