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LIU YIWEN

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    64,316
  • Filing trend
    ⇩ 54.0%
About

LIU YIWEN has a total of 29 patent applications. It decreased the IP activity by 54.0%. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, civil engineering and it methods for management are ARCHER KENNETH MAXWELL, QINGDAO LINCHUAN ENGINEERING TECHNOLOGY CONSULTING CO LTD and CAMPBELL HENRY.

Patent filings in countries

World map showing LIU YIWENs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Yiwen 25
#2 Liu Yiwen Liu 3
#3 Wang Danni 1
#4 Ma Junyan 1
#5 Huang Zhenyuan 1
#6 Lin Juan 1
#7 Pan Long 1
#8 Liu Yiwen Gao 1
#9 Jin Di 1
#10 Lei Hui 1

Latest patents

Publication Filing date Title
CN110419751A A kind of animal husbandry feed granules manufacturing equipment
CN109670996A A kind of wechat small routine teaching auxiliary system and method, information data processing terminal
CN109518582A Spray equipment for pavement construction
CN109555003A A kind of runway line of demarcation spray equipment
CN109518581A A kind of highway pavement spray equipment
CN109283583A A kind of static correction optimizing integration method and device
CN109830386A A kind of readily replaceable switch
CN109820405A A kind of pot that can prevent Man Guoshui from pouring coal washing gas hood
CN109831712A A kind of Wire reeling-in type earphone
CN109823677A A kind of profit hair-cream constant volume discharge device
CN109823675A A kind of quantitative toothpaste
CN109823099A A kind of pen container
CN109820441A A kind of message bathtub
CN109830177A A kind of shading display
CN109827190A A kind of lighter
CN109823100A A kind of timing pen container
CN107282200A A kind of cinder mill
CN108119508A The locking combination nut of prefastening
CN108119455A Clutch support rivet
CN108119471A Blind rivet