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CHINA STATE RAILWAY GROUP CO LTD

Overview
  • Total Patents
    53
  • GoodIP Patent Rank
    27,747
About

CHINA STATE RAILWAY GROUP CO LTD has a total of 53 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, transport and computer technology are CHINA RAILWAY CORP, LEE SUNG YOUNG and CHINA RAILWAY WUHAN SURVEY AND DESIGN RES INSTITUTE CO LTD.

Patent filings in countries

World map showing CHINA STATE RAILWAY GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 53

Patent filings per year

Chart showing CHINA STATE RAILWAY GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Shuli 9
#2 Su Wei 9
#3 Zhang Shuai 9
#4 Liu Yang 5
#5 Zhao Guotang 5
#6 Wang Hengyu 4
#7 Cheng Guanghui 4
#8 Wang Pengxiang 4
#9 Zhang Lei 3
#10 Zhao Lin 3

Latest patents

Publication Filing date Title
CN112183423A Filtering method and device for high-frequency pantograph-catenary dynamic response signals
CN112131725A Method, device, equipment and storage medium for converting earthquake information
CN111994133A High-speed railway train arrival tracking interval time compression method
CN111994134A Train arrival tracking interval time compression method based on arrival and departure line application
CN112208568A Brake controller and control method
CN111874047A Railway transition cross-region shunting operation organization system and method
CN111825181A Railway hazardous waste disposal device
CN111818470A Method and device for analyzing trunking communication signaling message in LTE-M system
CN111827085A Post-cast concrete type connecting structure between prefabricated top cap and pier stud and construction method
CN111827094A Cluster grouting corrugated pipe assembling pier connected with prefabricated bearing platform and construction method
CN111827091A Prefabricated assembled hollow pier connected through prestress and construction method
CN111851564A Spliced bearing platform plate structure connected with pile foundation and construction method
CN111827084A Frame pier connected with concrete column through steel cross beam and construction method
CN111827093A Cluster grouting sleeve assembling pier connected with prefabricated bearing platform and construction method
CN111827092A Prefabricated assembled hollow pier suitable for being provided with diaphragm plate and construction method
CN111827095A Prefabricated assembled hollow pier with built-in rib plates and construction method
CN111688767A Method for superposing CTCS (China train control System) system and CBTC (communication based train control) system
CN111711353A Reactive component detection method, control method and device of single-phase rectifier
CN111776020A Track curve road condition identification method and device
CN111667161A Method for determining high-speed railway operation safety index