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KARAMAY SHANGZHENG PETROLEUM TECH CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    140,403
About

KARAMAY SHANGZHENG PETROLEUM TECH CO LTD has a total of 12 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and control are FLOW IND LTD, CHENGDU JUSHEN TECH CO LTD and RUFF PUP LTD.

Patent filings in countries

World map showing KARAMAY SHANGZHENG PETROLEUM TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing KARAMAY SHANGZHENG PETROLEUM TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xie Jianyong 8
#2 Zhang Hui 7
#3 Ye Junhua 7
#4 Xu Chunhe 7
#5 Jiang Hong 6
#6 Chen Xianjiang 6
#7 Fan Jie 5
#8 Liu Qingxin 4
#9 Zhang Jing 4
#10 Cheng Hao 3

Latest patents

Publication Filing date Title
CN112267861A Layered water injection device for underground cable wet butt joint
CN109850560A A kind of tube rod storage apparatus for oil well repairing operation
CN110000164A A kind of tube rod cleaning device for oil well repairing operation
CN109854189A A kind of automatic workover rig for oil well repairing operation
CN109854192A A kind of tube rod for oil well repairing operation tight shackle device automatically
CN109854209A A kind of tube rod cleaning device for outer walls in well workover well pulling job
CN109340106A A kind of anti-oil leakage device for screw pump oil production
CN109403951A Oil well three-phase metering integrated apparatus
CN108387292A Gas well three phase metering separation control system and oil-water interfaces metering method
CN108384592A Gas well three phase metering separator and oil-water interfaces auxiliary adjustment metering method
CN105672909A Polished rod lateral engaging device and lateral engaging jacking device of screw rod pump polished rod
CN105645310A Anti-sedimentation hydraulic jacking device of polish rod of screw pump