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CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RES INST CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    168,343
About

CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RES INST CO LTD has a total of 12 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, transport and environmental technology are STEINBERGER LOUIS, ZHEJIANG ZHAOLONG CABLE CO LTD and GUANGZHOU LINGNAN CABLE CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RES INST CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RES INST CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Litian 8
#2 Li Xiguang 7
#3 Su Guanghui 4
#4 Wang Sheng 4
#5 Li Hanqing 4
#6 Zhang Yuntai 4
#7 Yang Jianxing 3
#8 Tian Shengli 3
#9 Fan Chunlei 3
#10 Fan Qiaolian 3

Latest patents

Publication Filing date Title
CN106129991A A kind of high-speed railway Special single-core cable grounding technical scheme
CN106364370A Design scheme of contact wire for flexible contact network
CN106169319A A kind of novel heavy in section EPR isolated dc service cable
CN105667348A Novel vehicle depot reflowing cable and steel rail wiring method based on track circuit mode
CN105300287A Contact line laser measuring instrument
CN105313908A Scanning device for facilities beside railway track
CN105301986A Railway catenary spatial position simulation platform
CN105150881A Novel method for connection between main line rail and return cable, of subway dragging and power-supplying line
CN104836252A Urban rail transit medium-voltage inverter type renewable energy utilization device
CN104156588A Method for calculating wear shape of slide plate corresponding to rigid catenary design model
CN103746356A Digital communication current protection technology based on IEC 61850 protocol
CN101916988A Intelligent protective loop framework system and intelligent protecting method of power supply looped network