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DUAN JIANFENG

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    73,674
About

DUAN JIANFENG has a total of 22 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, chemical engineering and materials and metallurgy are DONGBANG CORP, SONNENREIN UWE and PARK HYEN LIN.

Patent filings in countries

World map showing DUAN JIANFENGs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing DUAN JIANFENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duan Jianfeng 22
#2 Johns Mary 8
#3 Li Yang 4
#4 Wang Ying 4
#5 Li Ming 2
#6 Zhang Lili 2
#7 Li Fang 2
#8 Tian Yue 2
#9 Ge Runsheng 2
#10 Li Deming 2

Latest patents

Publication Filing date Title
CN111704224A Acid sewage treatment and discharge equipment for daily life
CN111734305A Soil drilling machine for garden engineering
CN111704032A Working method of crane anti-deflection mechanism with detachable lifting appliance
CN111704031A Crane deflection preventing mechanism with detachable lifting appliance
CN111604430A Quick stamping device of aluminum alloy
CN111456434A Template cleaning device for building
CN108793499A A kind of car-washing sewage circulating-use equipment
CN108751475A A kind of car-washing sewage circulatory system
CN108660319A A kind of working method of the retracting device of scrap aluminium alloy
CN108754149A A kind of retracting device of scrap aluminium alloy
CN108726726A A kind of sewage-treatment plant
CN108658298A A kind of sewage treatment process of sewage-treatment plant
CN108525994A A kind of construction site washed ore screening installation
CN108686922A A kind of working method of construction site washed ore screening installation
CN108583410A A kind of working method of Automobile Transportation fixing device
CN108528319A A kind of Automobile Transportation fixing device
CN108435006A A kind of liquid material mixing apparatus based on worm and gear autorotation principle
CN108541569A A kind of gardens plant water injector
CN108380129A A kind of working method of the liquid material mixing apparatus based on worm and gear autorotation principle
CN108575679A A kind of working method of gardens plant water injector