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QIQIHAR RAILWAY ROLLING STOCK

Overview
  • Total Patents
    406
  • GoodIP Patent Rank
    12,330
About

QIQIHAR RAILWAY ROLLING STOCK has a total of 406 patent applications. Its first patent ever was published in 2000. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets transport, civil engineering and environmental technology are CRRC SHANDONG CO LTD, OMS OFF MEC STANGA SPA and KING GEORGE I.

Patent filings per year

Chart showing QIQIHAR RAILWAY ROLLING STOCKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Yuebin 63
#2 Zhao Tianjun 59
#3 Hu Haibin 43
#4 Fu Yong 42
#5 Shao Wendong 40
#6 Meng Qingmin 36
#7 Liu Zhenming 34
#8 Yu Lei 34
#9 Xu Shifeng 31
#10 Yang Shuang 30

Latest patents

Publication Filing date Title
CN105507723A Railroad box car and car door opening and closing device thereof
CN105539470A Hopper car and bottom door opening and closing mechanism thereof
CN105543457A Quenching and cooling device, draw gear and machining technology of draw gear
CN105667532A Chassis for railway vehicle and assembling method and middle beam structure of railway vehicle
CN105564452A Hopper car
CN105480238A Fully-side door type box wagon
CN105644571A Hopper car, bottom door opening and closing mechanism and two-stage locking device
CN105569488A Wagon and transmission shaft stopping device of wagon
CN105416326A Rail wagon and top cover opening-closing mechanism thereof
CN105651150A Measurer
CN105506441A Ductile cast iron material, composition containing same and production method of bearing saddle and ductile cast iron
CN105677944A Method for determining profile dimensions of bending die
CN105420453A Heat treatment method for coupler knuckle
CN105539472A Boxcar side wall and lining structure and lining plate of boxcar side wall
CN105604415A Serra type vehicle door operating mechanism
CN105383507A Railway vehicle, sliding plug door and handle locking device thereof
CN105383505A Overloading and unbalanced loading weight bridge test car for railway vehicle
CN105346601A Vehicle and connecting structure of vehicle top cover and enclosing wall
CN105365836A Weight bridge test car, top cover and manhole
CN105417391A Lifting device