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SIXTH ENG CO LTD OF CHINA RAIL WAY NO 9 GROUP

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    134,485
About

SIXTH ENG CO LTD OF CHINA RAIL WAY NO 9 GROUP has a total of 13 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, computer technology and materials and metallurgy are SHANGHAI CIVIL ENG CO LTD OF CREC, CHINA RAILWAY NO 4 ENG GROUP and CHINA RAILWAY ERYUAN ENG GROUP.

Patent filings in countries

World map showing SIXTH ENG CO LTD OF CHINA RAIL WAY NO 9 GROUPs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing SIXTH ENG CO LTD OF CHINA RAIL WAY NO 9 GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Renqiang 10
#2 Liu Jifei 8
#3 Yi Zhongqiang 8
#4 Shu Chengxing 7
#5 Qu Rui 7
#6 Zheng Zhi 6
#7 Xu Qingjun 6
#8 Terigele 5
#9 Yan Shudong 4
#10 Liu Chunli 4

Latest patents

Publication Filing date Title
CN112112412A Climbing device for building construction
CN111842712A Steel bar bending machine
CN111794108A Full-section welding construction method for curved steel box girder
CN111794018A Construction method of ballastless track with replaceable supporting blocks by tunnel sleeve shoe method
CN111794252A Construction method for treating high-side rapid slope landslide
CN111813388A Civil3d software road model-based plug-in coordinate output method and device
CN111814237A Coordinate output method and device of plug-in based on Revit capital construction model
CN111636506A Excavator capable of running on track
CN111002479A Self-propelled full hydraulic rope saw
CN111101961A Non-blasting subway excavation construction method
CN110374677A Plateau rich water soft rock tunnel control drainage construction engineering method
CN109191383A A kind of measurement method that construction coordinate is converted to geodetic coordinates
CN109190239A The method that available railway curve establishes line midline model in CIVIL3D