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CRRC ZHUZHOU LOCOMOTIVE CO LTD

Overview
  • Total Patents
    1,074
  • GoodIP Patent Rank
    1,452
  • Filing trend
    ⇧ 10.0%
About

CRRC ZHUZHOU LOCOMOTIVE CO LTD has a total of 1,074 patent applications. It increased the IP activity by 10.0%. Its first patent ever was published in 2014. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets transport, environmental technology and electrical machinery and energy are CSR ZHUZHOU ELECTRIC LOCOMOTIVE CO LTD, BOMBARDIER TRANSP GMBH and AKTSIONERNOE OBSHCHESTVO NAUCHNO ISSLEDOVATELSKIJ I KONSTRUKTORSKO TEKH INSTITUT PODVIZHNOGO SOSTAVA.

Patent filings per year

Chart showing CRRC ZHUZHOU LOCOMOTIVE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jiang Zhongcheng 65
#2 Li Guanjun 63
#3 Wang Wei 59
#4 Zhou Li 58
#5 Mao Yejun 57
#6 Yang Ying 57
#7 Wang Xianfeng 55
#8 Shen Longjiang 55
#9 Zhang Weixian 52
#10 Li Xining 52

Latest patents

Publication Filing date Title
CN112224026A Locomotive high-voltage control circuit, high-voltage box and locomotive
CN112231688A Identification method and system for electronic equipment of rail transit vehicle
CN112248998A Balanced reservoir fault detection and guide method and fault detection and guide device
CN112257318A Method, system, equipment and storage medium for calculating strength of power cabinet of trolley with battery
CN112238763A Pre-charging/charging circuit and control device and control method thereof
CN112265447A Starting control method, system, equipment and storage medium of magnetic-levitation train
CN112233277A Rail transit vehicle data display method and system and rail transit vehicle
CN112193229A Rail transit vehicle braking system and braking control method
CN112193282A Emergency bypass fault detection circuit and method, rail transit vehicle and control system
CN112231994A Method and device for calculating characteristic wind speed of railway vehicle and storage medium
CN112193080A Attitude detection system, attitude detection method, computer device, and storage medium
CN112141170A Rail transit vehicle and reference speed calculation method thereof
CN112193075A Collector head and current collector with same
CN112140892A Rail transit vehicle and multi-energy-storage-power-supply grid-connected control method and system thereof
CN112172846A Locomotive degraded operation control method and control device and locomotive
CN112172436A Air spring height adjusting system and method for medium-low speed maglev train
CN112193266A Cargo handling device for railway vehicle and railway vehicle
CN112208339A Control device and control method of current collector lifting device
CN112109756A Suspension type monorail train framework and bogie thereof
CN112109755A Suspension type monorail train bogie guider and bogie