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LIU DEMIN

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    187,524
About

LIU DEMIN has a total of 12 patent applications. Its first patent ever was published in 1998. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets telecommunications, environmental technology and packaging and shipping are INVENTECH MULTIMEDIA & TELECOM, NORTH HARRY and SAN BAR ELECTRONICS CORP.

Patent filings in countries

World map showing LIU DEMINs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Demin 10
#2 Liu Yan Liu 2
#3 Guo Xiuzhi 1
#4 Yuan Dejie 1
#5 Liu Zhenfeng 1
#6 Xie Manli 1

Latest patents

Publication Filing date Title
CN106069619A Slight irrigation underground heat with straw agricultural crop straw as carrier and ventilation water-saving system
CN107324172A A kind of speed limit device wheel
CN106608574A Bi-directional speed governor with function of monitoring accidental movement of elevator car
CN104843587A Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism
CN104754091A Mobile phone convenient for rapidly doing office work and method for rapidly doing office work through mobile phone
CN103552350A Material for producing furniture by utilizing waste paper articles and forming method of material
CN102795526A Progressive rope gripper and progressive overspeed protection safety device for dragging type lifting device
CN1695961A Hoop of health care pen
CN1695578A Health care wooden comb
CN1248509A High-density hard paper material and formation process thereof