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LI DU

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    83,997
  • Filing trend
    ⇧ 133.0%
About

LI DU has a total of 31 patent applications. It increased the IP activity by 133.0%. Its first patent ever was published in 1991. It filed its patents most often in China. Its main competitors in its focus markets machines, environmental technology and furniture and games are ZHEJIANG RONGXIN IND & TRADING CO LTD, EASTWOOD PLASTICS LTD and LIU ZHENJIANG.

Patent filings in countries

World map showing LI DUs patent filings in countries
# Country Total Patents
#1 China 31

Patent filings per year

Chart showing LI DUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Du 26
#2 Du Li 5

Latest patents

Publication Filing date Title
CN108751313A Automatic sparse water tank
CN108943661A A kind of equipment for the frangible hollow product of overmolding
CN108748852A Injection molding machine
CN108724592A A kind of liftable household items injection molding machine
CN108607740A Produce automatic machinery people's equipment of full aluminium furniture
CN108439678A A kind of garden landscape water circulation treatment device
CN108554998A A kind of house refuse recycling and processing device
CN108264153A A kind of eutrophication water ecological restoration device
CN108217981A A kind of eutrophication water ecological restoration device
CN108407194A A kind of injection moulding apparatus of continuous work
CN108381857A A kind of novel double-shot moulding device
CN108143275A A kind of safe and reliable household direct drinking fountain
CN108374461A A kind of induction flushing device of sanitary ware
CN108324113A A kind of safe and reliable direct drinking fountain
CN107986503A A kind of life regenerated water utilizing system for building equipment robot control system(RCS)
CN108222095A A kind of novel underwater silt remover
CN107932827A A kind of insert injection moulding robot
CN107874615A A kind of automatic pressurized water feeding device
CN107672136A A kind of water circulation system of household articles injection-moulding device
CN107803011A A kind of physical culture volleyball service device