Learn more

CRRC CHANGZHOU TECH MARK IND CO LTD

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    39,834
  • Filing trend
    ⇩ 38.0%
About

CRRC CHANGZHOU TECH MARK IND CO LTD has a total of 39 patent applications. It decreased the IP activity by 38.0%. Its first patent ever was published in 2017. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, mechanical elements and electrical machinery and energy are FAIVELEY TRANSPORT REMSCHEID, OTTO HILGER and BERGISCHE STAHLINDUSTRIE.

Patent filings in countries

World map showing CRRC CHANGZHOU TECH MARK IND CO LTDs patent filings in countries

Patent filings per year

Chart showing CRRC CHANGZHOU TECH MARK IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Liqing 13
#2 Wu Gang 9
#3 Jin Wenwei 8
#4 Gou Qingbing 8
#5 Fang Minggang 8
#6 Wu Bo 7
#7 Zhang Jinwei 7
#8 Wu Anxu 7
#9 Feng Chang 7
#10 Xu Hao 7

Latest patents

Publication Filing date Title
CN112128277A Guide rail mechanism for restraining brake pad support from rotating and clamp braking device provided with guide rail mechanism
WO2021068892A1 Abrasive block mounting and dismounting assembly, mounting and dismounting method, wheel tread cleaning device and railway vehicle
WO2021068899A1 End cover assembly, air cylinder, tread sweeper and railway vehicle
CN112092857A Coupler of railway vehicle and pneumatic control method thereof
CN111846794A Electric coupler pushing device
CN111958213A Multifunctional universal tool for assembling and disassembling bushing
CN111999080A Elastic wheel rolling fatigue test method
CN111594557A Split type brake disc
CN111497889A Automatic coupler centering device and assembling method thereof
CN111452556A Grounding structure and elastic wheel
CN111319598A Yoke assembly, transmission module, electromechanical brake device, brake caliper unit and rail vehicle
CN111319597A Drive module, electromechanical brake device, brake caliper unit and rail vehicle
CN111301386A Yoke end assembly, transmission module, electromechanical brake device, brake caliper unit and rail vehicle
CN110745158A Supporting mechanism and centering device with same
CN110454575A A kind of sealing structure, independent wheelset device and bogie
CN110248426A Variable-frequency heating system and its heating device for coupler buffer system
CN111942330A Shape-correcting grinder and manufacturing method thereof
CN111845837A Braking clamp device, variable-track-pitch bogie and railway vehicle
WO2020103260A1 Brake cylinder with parking function, and railway vehicle
CN109342040A The clamping force detector and detection method of brake