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JIANGSU HEXIN PETROLEUM MACHINERY CO LTD

Overview
  • Total Patents
    63
  • GoodIP Patent Rank
    27,428
  • Filing trend
    ⇧ 20.0%
About

JIANGSU HEXIN PETROLEUM MACHINERY CO LTD has a total of 63 patent applications. It increased the IP activity by 20.0%. Its first patent ever was published in 2012. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, materials and metallurgy and macromolecular chemistry and polymers are YUNNAN YUNEI POWER MACHINERY MFG CO LTD, VAREL INTERNEJSHNL IND L P and CHANGSHA TIANHE DRILLING TOOLS AND MACHINERY CO LTD.

Patent filings in countries

World map showing JIANGSU HEXIN PETROLEUM MACHINERY CO LTDs patent filings in countries

Patent filings per year

Chart showing JIANGSU HEXIN PETROLEUM MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Junxian 62
#2 Li Bo 25
#3 Liu Zhiqiang 22
#4 Duan Longchen 22
#5 Zhao Xiuhe 20
#6 Hu Xinli 20
#7 Hu Yule 18
#8 Shen Xiaoyu 16
#9 Wang Suogen 16
#10 Ding Yuexiang 16

Latest patents

Publication Filing date Title
CN111456632A Ocean well drilling mouth reaming drilling tool
CN111456620A Automatic drilling machine of vertical pipe arranging mechanism
CN111456643A But ocean continuous operation drilling tool
CN111271004A High-torsion-resistance full-sealing locking threaded connection structure
CN111236843A Uniform driving type hydraulic oscillator for well drilling
CN111255378A Hydraulic drag reduction oscillator for guiding oil-gas field drilling
CN110513049A A kind of novel hard rock Hob for cutting rock bearing arrangement
CN110420816A A kind of rolling ultra-fine cemented carbide brill tooth and preparation method thereof
CN110318678A A kind of drilling rod for shale gas
CN110331938A A kind of gear wheel drilling rod
CN110318663A A kind of convenient anti-well drilling machine of automatic drive type of adjusting
CN110318664A A kind of flexible anti-well drilling machine of automatic drive type of grafting
CN110295845A A kind of anti-well drilling machine of automatic drive type
CN109209253A A kind of sealing compresses formula ocean threaded drillpipe
CN109236196A One kind compressing formula ocean threaded drillpipe
CN109538129A A kind of anti-well brill machine bit of convenient assembling
CN109252811A A kind of anti-well drilling machine of floating interval-adjustable
CN109538126A A kind of anti-well brill machine bit
CN109184577A A kind of anti-well drilling machine of plug-in
CN109441365A A kind of link formula ocean threaded drillpipe