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CHENGDU NAT RAILWAYS ELECTRICAL EQUIPMENT CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    46,380
  • Filing trend
    ⇩ 25.0%
About

CHENGDU NAT RAILWAYS ELECTRICAL EQUIPMENT CO LTD has a total of 34 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets computer technology, measurement and transport are TAKAHASHI SADAO, EXTEND3D GmbH and CHENGDU TANGYUAN ELECTRIC CO LTD.

Patent filings in countries

World map showing CHENGDU NAT RAILWAYS ELECTRICAL EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 34

Patent filings per year

Chart showing CHENGDU NAT RAILWAYS ELECTRICAL EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fan Guohai 33
#2 He Hongwei 8
#3 Wu Ying 6
#4 Zhang Zhijun 6
#5 Hu Wenrui 5
#6 Tang Yueming 5
#7 He Jin 5
#8 Zhang Keyong 4
#9 Xu Yong 4
#10 Jiang Mengyi 4

Latest patents

Publication Filing date Title
CN111695735A Railway bow net real-time early warning method, system and device based on flow calculation
CN111652395A Health assessment method for high-speed railway contact network equipment
CN111667392A Railway contact net defect hot spot area early warning method based on space-time clustering
CN111055890A Intelligent detection method and detection system for railway vehicle anti-slip
CN111016972A Detection system and detection method of vehicle-mounted automatic neutral section passing sensor
CN110992348A Subway overhead line system abrasion measurement method and system based on 3D structured light camera
CN110035257A A kind of substation equipment Current Voltage value and temperature integrated analysis system and method
CN109902647A The portable online Bird's Nest intelligent identification Method of one kind and system
CN109816253A A kind of defect analysis method based on bar number identification
CN109754399A A kind of railway power supply detection repetition of alarms analysis method based on image segmentation
CN109727428A Repetition of alarms suppressing method based on deep learning
CN109142978A A kind of railway contact line operating status actively monitoring method
CN108334842A A method of identification pantograph-catenary current collection arcing size
CN108334843A A kind of arcing recognition methods based on improvement AlexNet
CN107742288A A kind of pantograph beats bow defect inspection method and system
CN107702646A A kind of contact net Abrasion detecting method and system
CN106679567A Contact net and strut geometric parameter detecting measuring system based on binocular stereoscopic vision
CN106679630A Slope detection system for contact system locator
CN105657428A Infrared image compression method and system applied to contact network
CN105719302A Contact net post device recognition and location method and system