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TIANJIN DONGDA WEIYE LOCOMOTIVE & ROLLING STOCK CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    145,425
  • Filing trend
    ⇩ 100.0%
About

TIANJIN DONGDA WEIYE LOCOMOTIVE & ROLLING STOCK CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, packaging and shipping and transport are CHANGZHOU KAIDA HEAVY INDUSTRY TECH CO LTD, LIAONING FU AN HEAVY FOUNDRY GROUP CO LTD and XINGTAI DELONG MACHINERY & MILL ROLL CO LTD.

Patent filings in countries

World map showing TIANJIN DONGDA WEIYE LOCOMOTIVE & ROLLING STOCK CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing TIANJIN DONGDA WEIYE LOCOMOTIVE & ROLLING STOCK CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Xipeng 12
#2 Zhang Xiyan 3
#3 Zhang Chunsheng 2
#4 Li Jie 1
#5 Ren Feng 1
#6 Zhao Xin 1
#7 Zhang Xiuliang 1
#8 Yang Jiewang 1
#9 Zhao Zhihui 1
#10 Zhang Xufeng 1

Latest patents

Publication Filing date Title
CN109722949A A kind of high-strength novel heart rail
CN109719547A A kind of New Type Milling tooling
CN109706304A A kind of novel wing rail annealing device
CN109706798A A kind of novel nylon apron block
CN109702049A A kind of alignment tooling of novel steel rail clamping plate
CN109704185A A kind of suspender suitable for cabinet
CN109702144A A kind of sand core core box with inserted chill
CN109694000A A kind of new car hook
CN109692940A A kind of novel combination type chill
CN109692945A A kind of ladle cleaning plant
CN105398467A Anti-deformation buffer box
CN105586528A Alloy steel and heat treatment technique thereof