Learn more

NO 3 ENG CO LTD OF CHINA RAILWAY NO 8 ENG GROUP CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    97,018
About

NO 3 ENG CO LTD OF CHINA RAILWAY NO 8 ENG GROUP CO LTD has a total of 17 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and computer technology are SINOHYDRO BUREAU 9 CO LTD, CHINA RAILWAY ERJU 4TH ENG CO LTD and SINOHYDRO ENGINEERING BUREAU 4 CO LTD.

Patent filings in countries

World map showing NO 3 ENG CO LTD OF CHINA RAILWAY NO 8 ENG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing NO 3 ENG CO LTD OF CHINA RAILWAY NO 8 ENG GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lan Yong 17
#2 Ma Wenrong 13
#3 Zeng Bochuan 9
#4 Zeng Xiangjun 7
#5 Li Lianfang 7
#6 Hu Jian 6
#7 Deng Cunjun 4
#8 Liu Changchun 4
#9 Wen Daohua 4
#10 Zhang Zhonglun 3

Latest patents

Publication Filing date Title
CN112160605A A scale for concrete thickness, elevation and roughness control
CN111997685A Construction method for highway to penetrate through coal seam goaf section
CN111979863A Construction method for filling high embankment by using foam lightweight concrete adjacent to high-speed rail
CN111706074A Adjustable shaping template of prefabricated plate at variable-section column and manufacturing method thereof
CN110210762A A kind of employee performance dynamic wire examination method based on big data analysis
CN110130154A High-speed railway treatment of soft foundation screw rod pile construction method
CN110106876A A kind of diplopore grouting construction method
CN110106877A A kind of single hole grouting construction method
CN110016917A A kind of slip casting sealing-plug and its grouting system
CN110005443A The construction method of set lining is added in a kind of Business Line tunnel
CN110002823A A kind of tunnel high strength spray concrete
CN110030972A Tunnel Overbreak & Underbreak detection method based on ExcelVBA
CN109854254A A kind of neighbouring high-speed rail two-wire large cross-section tunnel cantilever excavator construction technology
CN108316285A Operating platform and construction method suitable for the construction of deep hole large diameter hole pile cages
CN108301847A A kind of Tunnel Second Lining trolley hydraulic end head mould and its construction method
CN107988919A A kind of and the pinner and pre-embedded bolt hole forming equipment of bridge pier cap synchronous construction
CN105421255A Simple device and method for dismounting Bailey beam support