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CHINA CREC RAILWAY ELECTRIFICATION BUREAU GROUP CO LTD

Overview
  • Total Patents
    114
  • GoodIP Patent Rank
    13,040
  • Filing trend
    ⇧ 328.0%
About

CHINA CREC RAILWAY ELECTRIFICATION BUREAU GROUP CO LTD has a total of 114 patent applications. It increased the IP activity by 328.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets transport, measurement and electrical machinery and energy are GUANGZHOU BUREAU EXTRA HIGH VOLTAGE TRANSMISSION CO CHINA SOUTHERN POWER GRID CO LTD, ZHENJIANG DAQO SECHERON TRACTION POWER CO LTD and SICHUAN ENERGY INTERNET RESEARCH INSTITUTE OF TSINGHUA UNIV.

Patent filings in countries

World map showing CHINA CREC RAILWAY ELECTRIFICATION BUREAU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 114

Patent filings per year

Chart showing CHINA CREC RAILWAY ELECTRIFICATION BUREAU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lin Yunzhi 26
#2 Luo Jin 15
#3 Luo Bing 11
#4 Li Yubing 11
#5 Zhang Yi 9
#6 Bai Xibin 9
#7 Zhou Zhenping 9
#8 You Zhenzhong 8
#9 Han Langui 8
#10 Zhang Hui 8

Latest patents

Publication Filing date Title
CN112249048A Instant braking unpowered trolley
CN112162305A Fusion positioning method and system for rail transit
CN112001918A AI algorithm based high-speed rail contact network equipment inspection method and system
CN112147486A 25HZ phase-sensitive track circuit simulation tester and testing method
CN111969860A Traction power supply system and method for converting two-phase symmetrical alternating current into single-phase alternating current
CN111969859A Traction power supply method for converting three-phase symmetrical alternating current into single-phase alternating current
CN111994782A Self-releasing device for lifting hook and using method thereof
CN112124338A Intelligent measurement marking trolley for rail surface standard line
CN112054373A Automatic change and present cable preparation composite set
CN112051440A Power supply intelligent electricity testing device
CN111894636A Duct piece supporting structure of communication channel of shield interval tunnel
CN111894612A Wear-resisting gauge protection tearing knife
CN111874569A Automatic slag removal conveyer belt of earth pressure balance shield machine
CN111768112A Railway business line construction method and system
CN111541883A Beyond visual range video shooting device
CN111586730A Wireless communication method and system applied to rail transit
CN111596718A Photovoltaic power generation control method and device, computer equipment and storage medium
CN111525572A Method, device, equipment and storage medium for determining power quality grade in power grid
CN111459145A Transformer temperature controller calibration device and calibration method
CN111469718A Straddle type contact rail mounting platform