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XI'AN CHANGQING TECH ENG CO LTD

Overview
  • Total Patents
    57
  • GoodIP Patent Rank
    25,859
  • Filing trend
    ⇩ 100.0%
About

XI'AN CHANGQING TECH ENG CO LTD has a total of 57 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, basic materials chemistry and measurement are XIAN CHANGQING TECH ENGINEERING CO LTD, OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOSTYU GAZPROM DOBYCHA URENGOJ and TEXAS EASTERN ENG LTD.

Patent filings in countries

World map showing XI'AN CHANGQING TECH ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 57

Patent filings per year

Chart showing XI'AN CHANGQING TECH ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zheng Xin 12
#2 Lin Gang 8
#3 Wang Denghai 8
#4 Xue Gang 8
#5 Qiu Peng 7
#6 Wang Zhijun 6
#7 Tan Bin 6
#8 Zhai Bowen 6
#9 Liu Yinchun 6
#10 Liu Zibing 6

Latest patents

Publication Filing date Title
CN106918486A Every the lateral boundaries implementation method for blending drag reduction in live rain making side slope experiment
CN106759780A A kind of station in oilfield accident sewage prevention and control system
CN106803845A A kind of gas field well site is powered and data acquisition is transmitted system and its method for arranging
CN106870872A A kind of pipe endoscopic detects robot
CN106833729A A kind of remote scattered block crude oil treating device
CN106837292A A kind of the surface technology processing system and method for many series of strata yard different disposal scales
CN106761622A A kind of air foam flooding shaft oil production field device and its technique
CN106837270A A kind of carbon dioxide drive oil production well head anti-gas channeling device and technique
CN106787217A A kind of Oil Field Substation comprehensive monitoring system
CN106753646A A kind of miniature liquid desulfurization skid-mounted unit containing metering and heating function
CN106894805A A kind of coal bed gas gas gathering station enters the station separation skid-mounted unit
CN106764433A A kind of multifunctional assembled skid-mounted unit
CN106706886A Experiment device and method of rainfall side slope model under lateral non-uniform loading condition
CN106654614A Anti-static bridge joint device for metal pipe and application of anti-static bridge joint device
CN106769334A A kind of triaxial test soil sample saturation device and method
CN106837892A Pipe fitting type sprays supercharging drainage device
CN106870946A A kind of high-pressure gas collection station gas gathering system of full sledge dressization
CN106869876A Dispensing device is adopted in a kind of circulation for improving oil recovery rate
CN106870945A A kind of natural gas pressure regulating skid-mounted unit with multilevel security defencive function
CN106731505A A kind of heat exchange type glycol reclamation heating furnace