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CHINA RAILWAY EIGHTH ENGINEERING CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    206,912
About

CHINA RAILWAY EIGHTH ENGINEERING CO LTD has a total of 19 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are FERROVIAL AGROMAN SA, KUNZEWITSCH FELIX and R & B LEASING LLC.

Patent filings in countries

World map showing CHINA RAILWAY EIGHTH ENGINEERING CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing CHINA RAILWAY EIGHTH ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Top inventors

# Name Total Patents
#1 Zhao Zhi 10
#2 Kunhua Bai 8
#3 Wang Zhiyong 8
#4 Zhiyong Wang 8
#5 Xie Lugao 8
#6 Sikun Gong 8
#7 Qin Ruiqian 8
#8 Zhi Zhao 7
#9 Hong Mei 6
#10 Suyu Xiao 6

Latest patents

Publication Filing date Title
CN104404838A Collapsed loess subgrade base treatment method for railway with speed more than 200km
CN104480802A Construction method of CRTS III plate type ballastless track
CN104358188A Filling construction method for collapsible loess subgrade
CN103696806A Gas tunnel control method and system thereof
CN103628910A Big-gradient inclined shaft track transportation system and transportation method thereof
CN103527236A Gas tunnel mixed type ventilation method
CN103521662A Device and method for machining reinforcing steel bar shaped like the Arabic number 8
CN103352433A Rectangular wind-resistant bracket
CN103352429A Bracket counter pull loading pre-pressing device and tensioning pre-pressing method thereof
CN103217516A Real-time concrete strength monitoring method
CN101806025A Method for assembling railway switches
CN101768904A Measurement and installation method of plate-type ballastless track primary standard
CN101736662A Network layout method of control foundation pile
CN101748662A Construction process for double-block ballastless track bed on subgrade
CN101838967A Construction technology of ballast bed of bridge double-block ballastless track
CN101892613A Construction process of double-block ballastless track supporting layer
CN101122128A Construction method of impacting and rolling
CN101077589A Rail plate mold
CN101063288A Double blocks type ballast-free railway fastening relieving method