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LIU DEWEN

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    197,342
  • Filing trend
    ⇩ 100.0%
About

LIU DEWEN has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1995. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets foods and drinks, environmental technology and furniture and games are ZHEJIANG COFINE BIOTECH INC LTD, HENAN JINBAIHE BIOTECHNOLOGY CO LTD and BOYIDE BEIJING BIOTECHNOLOGY CO LTD.

Patent filings in countries

World map showing LIU DEWENs patent filings in countries

Patent filings per year

Chart showing LIU DEWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Dewen 11
#2 Zheng Yan 3
#3 Liu Jinwen 3
#4 Dewen Liu 1

Latest patents

Publication Filing date Title
CN110099327A A kind of earphone with safety prompt function function
CN108371247A A kind of compound probiotic improving piglet survival rate
CN108371229A A kind of probiotics that can be improved sow embryo survival, improve sow productivity
CN108371236A In a kind of livestock-raising can substitute antibiotics compound probiotic liquid
CN108371227A A kind of efficient prebiotic bacterium solution for eliminating animal fecaluria peculiar smell
US2013306823A1 Multifunction bag hanging device
CN103175410A Kiln hot air circulation recycling and energy saving system
CN103161278A Microcrystal foamed ceramic composite brick
CN103175395A Roller kiln for producing microcrystalline foam ceramic
WO2012088969A1 Rotary shaft device for bag hanger and bag hanger
CN1129602A New Chinese chess