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DAQING JINXIANGYU TECH CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    102,984
  • Filing trend
    ⇩ 50.0%
About

DAQING JINXIANGYU TECH CO LTD has a total of 16 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, basic materials chemistry and packaging and shipping are ROBERTSON IP LLC, BISN TEC LTD and EDGAR EUGENE GREVE.

Patent filings in countries

World map showing DAQING JINXIANGYU TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing DAQING JINXIANGYU TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Zaixing 16
#2 Zhang Guojie 12
#3 Song Bo 10
#4 Xu Wenchao 10
#5 Li Changqing 7
#6 Li Lianping 6
#7 Yu Deming 6
#8 Xie Jijiang 5
#9 Li Bin 5
#10 Wang Dianqing 5

Latest patents

Publication Filing date Title
CN112112603A Portable liquid collecting and storing environment-friendly device for oil field operation
CN112081564A Pipe conveying perforation time-delay dynamic negative pressure device
CN111794709A Safe, environmental protection, can pressure release seal well device
CN111794708A Double-lock blowout prevention working barrel capable of relieving pressure
CN111622720A Blowout prevention tool in rod-throwing detonation perforation oil pipe
CN111594094A Penetrate stifled two-way shut-in well device of joint action
CN111472731A Time-delay vacuum negative pressure environment-friendly perforating device for composite perforation
CN111188599A Energy-releasing expansion perforation device
CN110656913A Method for contrast test of well completion effect of perforation process
CN110698312A Energy-releasing compound preparation and preparation method thereof
CN109396489A A kind of inside and outside blind hole machining lathe of perforating gun gun body
CN108412470A Orthogonal net stitches pressure break perforating system
CN107654213A A kind of high energy negative pressure deblocking device
CN107324202A A kind of well mouth of oil well top sheave device
CN107381401A A kind of well mouth of oil well land used pulley gear
CN107381400A A kind of well mouth of oil well counts lower sheave device with wireless depth