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HUNAN LIANZHI BRIDGE & TUNNEL TECH CO LTD

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    33,314
  • Filing trend
    ⇧ 1000.0%
About

HUNAN LIANZHI BRIDGE & TUNNEL TECH CO LTD has a total of 45 patent applications. It increased the IP activity by 1000.0%. Its first patent ever was published in 2015. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, civil engineering and computer technology are SHANGHAI GEOLOGICAL & MINERAL ENGINEERING INVESTIG CO LTD, GUIZHOU PROVINCE QUALITY AND SAFETY TRAFFIC ENG MONITORING AND INSPECTION CENTER CO LTD and HENAN JIAOYUAN ENGINEERING TECH CO LTD.

Patent filings in countries

World map showing HUNAN LIANZHI BRIDGE & TUNNEL TECH CO LTDs patent filings in countries

Patent filings per year

Chart showing HUNAN LIANZHI BRIDGE & TUNNEL TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Xiaodong 33
#2 Xie Hong 11
#3 Tang Yan 7
#4 Yang Zhenwu 7
#5 Peng Wuzhong 6
#6 Liu Miaoqun 5
#7 Yi Dan 5
#8 Xiong Yong 5
#9 Deng Yisong 5
#10 Liu Ru 4

Latest patents

Publication Filing date Title
CN110514128A A kind of anti-offset tunnel limit for height monitoring device
WO2021022671A1 Device for preventing pier deviation of high-pier bridge having large longitudinal slope
CN110514582A A kind of prestress pipe segmentation friction loss detection system and detection method
CN110345978A One kind being based on the high-precision bridge safety supervision device of Beidou
CN110361075A A kind of safety monitoring system based on Beidou navigation satellite
CN110344853A A kind of bridge tunnel strenthening member blade inserting provisions for grouting and grouting method
CN110438885A A kind of bridge tunnel supporting member
CN110388893A Long-range safety monitoring slope data acquisition device based on Beidou data communication
CN110319799A A kind of bridge tunnel penetration of fracture measuring instrument
CN110396913A It is a kind of to prevent the high pier bridge bridge pier deviation device of big longitudinal slope
CN110274743A A kind of protuberant guide post impact test device
CN110413949A A kind of data processing method in increasing or decreasing variation tendency
CN110362011A The data acquisition box of integrated remote control switch
CN110323607A Intelligent-induction control socket and intelligent control method containing gyroscope
CN110297453A Intelligent-induction controls socket and intelligent control method
CN110231015A A kind of deep vertical monitoring point for displacement device
CN110132110A A kind of measurement method and measuring device of laminated rubber bearing shear deformation
CN109738926A A kind of GNSS multipath effect correcting method based on BP neural network technology
CN109785587A A kind of monitoring device based on big-dipper satellite positioning
CN109581420A A kind of integrated electronic gyroscope high-precision Beidou monitoring stake