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LIU LIWEN

Overview
  • Total Patents
    124
  • GoodIP Patent Rank
    165,024
  • Filing trend
    ⇧ 500.0%
About

LIU LIWEN has a total of 124 patent applications. It increased the IP activity by 500.0%. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, machines and chemical engineering are UNIV JIANGSU POLYTECHNIC, BEIJING CHN TOP MACHINERY CO LTD and Changzhou kaipu automatic equipment co ltd.

Patent filings in countries

World map showing LIU LIWENs patent filings in countries
# Country Total Patents
#1 China 124

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Liwen 124
#2 Lu Jiming 111
#3 Ning Yong 111
#4 Liu Zhenru 81
#5 Ning Jiangtian 61
#6 Ning Aimin 61
#7 Liu Yong 61
#8 Liu Sihai 30
#9 Yang Zhiqiang 20
#10 Fu Taomei 17

Latest patents

Publication Filing date Title
CN111978138A Automatic material equipment of being stained with of match processing
CN111943793A Match head feeding equipment for match production
CN109382363A A kind of grain washing machine structure with drying effect
CN108522961A A kind of flour processing method improving flower characters and flour-made food quality
CN108480180A A kind of exclusion device being equipped with pretreatment flour processing
CN108405067A A kind of flour processing method improving fine powder rate
CN108465517A A kind of sterile fluor producing process method of wheat
CN108526011A A kind of grain screening method of grain gas solid separation
CN109228322A A kind of 3D printing melt head device of efficient printing speed
CN104835556A Multilayer insulation/parallel connection high-carrying-current energy-efficient cable and manufacturing method thereof
CN103253637A Method for producing sulfuric acid and calcium oxide by utilizing gypsum
CN103264993A Method for producing liquid sulfur dioxide by utilizing sulfuric acid sewage
CN103264994A Method for producing sulphuric acid by adopting wet process
CN103224223A Sulfuric acid decolorant
CN103213954A Environment-friendly sulfuric acid decolorant
CN103230775A Carbonized plant fiber sulfuric acid decolorizing agent and preparation method thereof
CN103213955A Plant extracting type sulphate decoloring agent
CN103159188A Method for producing sulfuric acid from sulfur dioxide
CN103172201A Device and technology for processing waste acid
CN103172035A Method for decoloring sulfuric acid by using hydrogen peroxide