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CSR CHANGZHOU TECH-MARK IND CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    127,061
  • Filing trend
    ⇩ 100.0%
About

CSR CHANGZHOU TECH-MARK IND CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets machine tools, transport and materials and metallurgy are MAANSHAN TIANJUN MACHINERY MFG CO LTD, SUZHOU LIEZHIAIMENG NEW MATERIAL TECHNOLOGY TRANSFER CO LTD and SUZHOU DONEKA NEW MAT CORP LTD.

Patent filings in countries

World map showing CSR CHANGZHOU TECH-MARK IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Han Hongwen 5
#2 Zhao Fei 5
#3 Zhu Ye 5
#4 Du Liqing 4
#5 Gou Qingbing 4
#6 Lei Guowei 3
#7 Yi Feng 3
#8 Jiang Lang 2
#9 Hou Chuanlun 2
#10 Ning Ye 2

Latest patents

Publication Filing date Title
CN107186432A Milled head and rolling tools
CN105397429A Mechanical processing method of axle bridge for rail vehicle
CN105506346A Powder metallurgy brake pad friction material and preparation method thereof
CN105459726A Divided shear-type elastic wheel used for rail transit vehicles
CN105370773A Oil cylinder for railway vehicle brake clamp
CN105370774A Braking clamp for rail vehicle
CN105370770A Clamp body mechanism of railway vehicle brake clamp
CN105805194A Basic braking device for rail vehicle
CN105805197A Brake cylinder with parking function for railway vehicle
CN105805196A Hydraulic brake clamp mechanism for railway vehicle
CN105805195A Air-oil converter for foundation brake device of rail vehicle
CN105799726A Manual relieving mechanism for rail vehicle oil cylinder
CN105443617A Connecting structure of wheel mounted type brake disc for rail transit vehicle