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ZHENGZHOU SHENLIDA DRILLING AND PRODUCTION EQUIPMENT CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    109,543
About

ZHENGZHOU SHENLIDA DRILLING AND PRODUCTION EQUIPMENT CO LTD has a total of 15 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and engines, pumps and turbines are MC CORMICK DRILLING TOOL COMPA, ZHENGZHOU SHENLIDA DRILLING EQUIPMENT CO LTD and DRK OIL TOOLS CO LTD.

Patent filings in countries

World map showing ZHENGZHOU SHENLIDA DRILLING AND PRODUCTION EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing ZHENGZHOU SHENLIDA DRILLING AND PRODUCTION EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zheng Guorong 15
#2 Zheng Bolin 9
#3 Zhou Haitao 4
#4 Yang Jingguang 3
#5 Zheng Bailin 2
#6 Wang Yuzhang 2

Latest patents

Publication Filing date Title
CN106401457A Water power petroleum drilling machine and work method thereof
CN106401862A Hydrodynamic rotating device and rotating method thereof
CN106563835A Variable-diameter drill bit capable of controlling drilling depth
CN106351584A Excavating device for variable diameter hole
CN106320988A Down-the-hole drill bit with good continuous cooling and slagging effects
CN106320986A Precise drilling drill bit with deviation preventing function
CN106351578A Pile driver capable of performing efficient construction on hard formation
CN106337459A Excavation rod for installation of heat exchange pipe
CN106351573A Column type lifting water drill
CN105064924A Multi-stage cutting drill bit
CN105064927A Detachable drill bit
CN103806937A Mine escape pipeline
CN103799594A Multi-functional miner belt
CN103801207A Mining labor-saving stirrer
CN103835660A Intelligent retraction type composite drill bit