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LIU YUYOU

Overview
  • Total Patents
    43
  • GoodIP Patent Rank
    35,545
  • Filing trend
    0.0%
About

LIU YUYOU has a total of 43 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, macromolecular chemistry and polymers and mechanical elements are DOWNHOLE TECH LLC, THE WELLBOSS COMPANY LLC and GEOMEC ENGINEERING LTD.

Patent filings in countries

World map showing LIU YUYOUs patent filings in countries
# Country Total Patents
#1 China 43

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Yuyou 22
#2 Liu Senrui 7
#3 Nie Dewu 3
#4 The Inventor Has Waived The Right To Be Cited 3
#5 Chen Yuning 3
#6 Mao Jiang 3
#7 Sui Aini 2
#8 Wang Baosheng 2
#9 Liu Tongling 2
#10 Song Zhijun 1

Latest patents

Publication Filing date Title
CN111707195A Photoelectric mixing-based digital coding displacement measurement method
CN108892205A A kind of application method of the no filtrate sewage-treatment plant of oil field gathering and transportation
CN108911032A The no filtrate sewage-treatment plant of oil field gathering and transportation
CN109723974A A kind of application method of oil field individual well production auxiliary device
CN108661599A A kind of application method of electric immersible pump well electromagnetic induction wax-proofing apparatus
CN108397156A A kind of electric immersible pump well electromagnetic induction wax-proofing apparatus
CN108716386A A kind of application method of the oil field ball-throwing type without pump quarrying apparatus
CN110761748A Ball-throwing type pump-free exploitation device for oil field
CN110984913A Self-generating wax-proof device and method for screw pump oil well
CN108661598A Plunger type oil well self power generation wax-proofing apparatus and method
CN108252690A A kind of oil/gas well energy supplement and the application method without pump exploitation integrated device
CN108252691A A kind of oil/gas well energy supplement without pump with exploiting integrated device
CN108119103A A kind of oil/gas well is without pump quarrying apparatus and method
CN108104783A A kind of coiled tubing thick oil heating arrangement
CN108119115A A kind of application method of coiled tubing thick oil heating arrangement
CN108119114A A kind of coiled tubing multistage thick oil heating arrangement
CN107558964A A kind of continuous reversing arrangement of the unidirectional tubing string of oil production by layer and method
CN109538134A The application method of apparatus for work under a kind of oil well
CN109854186A Safety joint under a kind of fluffing of moulding sand formula oil well
CN107620589A Oil-well drilling equipment