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XI AN WELL SUN ELECTRONIC INSTR CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    190,497
About

XI AN WELL SUN ELECTRONIC INSTR CO LTD has a total of 13 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and mechanical elements are WARRIOR RIG LTD, RANEY RICHARD C and WELL CONVEYOR AS.

Patent filings in countries

World map showing XI AN WELL SUN ELECTRONIC INSTR CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing XI AN WELL SUN ELECTRONIC INSTR CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Earth drilling
#2 Gearing

Top inventors

# Name Total Patents
#1 Zhan Baoping 6
#2 Ren Xiaoning 6
#3 Zhang Guohui 3
#4 Baoping Zhan 2
#5 Hua Baocheng 2
#6 Yi Difeng 2
#7 Guohui Zhang 2
#8 Yanmin Li 1
#9 Feng Yan 1
#10 Tang Zhaoxian 1

Latest patents

Publication Filing date Title
CN104763409A Device and method for measuring underground flow rate of petroleum well
CN104373110A Electromagnetic thickness measurement differential receiving probe
CN104235324A Ferromagnetic debris collection device of speed reducer
CN104343436A Device and method for integrating well dredging and well flushing, and well logging of cement bond well cementing quality
CN103939076A Pressure and flow regulator in fracturing construction
CN103742126A Storage type stratum fracturing string shift measurement instrument
CN103277087A Downhole petroleum formation fracturing string tension detecting instrument
CN103277399A SBT ball joint transmission shaft
CN102352748A Polar plate of micro-disc type focused logging device
CN102061907A Flow section scanning imager
CN101956549A Electromagnetic focusing sleeve screw thread logging instrument
CN101737031A Novel polar plate of micro-sphere focus logging tool
CN101105125A Down-hole vertical magnetic probe