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CHANGCHUN RAILWAY VEHICLE FACILITIES CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    114,262
About

CHANGCHUN RAILWAY VEHICLE FACILITIES CO LTD has a total of 33 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets machine tools, environmental technology and mechanical elements are XI AN COAL MINING MACHINERY CO, CHANGZHOU TIANYI AUTO PARTS CO LTD and TIANJIN BEIKE PRECISE FA D & M CO LTD.

Patent filings in countries

World map showing CHANGCHUN RAILWAY VEHICLE FACILITIES CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing CHANGCHUN RAILWAY VEHICLE FACILITIES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Jinhui 9
#2 Yu Xuezhi 5
#3 Zhu Zhe 5
#4 Dong Heng 4
#5 Wang Yong 3
#6 Xia Yang 3
#7 Qian Shengfeng 3
#8 Zhang Peilong 3
#9 Guo Fuhai 2
#10 Zhao Changchun 2

Latest patents

Publication Filing date Title
CN105197057A Position-changeable traction tool of train
CN105203015A Motor train unit wheel hub diameter detection device and using method thereof
CN105082002A Cage type terminal wire disassembling clamp
CN105063328A DZ1 axle heat treatment technique
CN104890709A Multifunctional movable cart
CN104986167A Method for refitting double-layer passenger train sliding plug door into wide folding door
CN104913702A Cab front window frame detection device
CN104384529A Variable-arc machining method for inner wall of cylinder blank
CN104369757A Special axle carrier vehicle for taking broken screw taps
CN104071170A Suspension structure for sewage tank used for collecting feces in passenger train
CN104124651A Railway passenger car wiring fixing clamp
CN104062119A Adjustment testbed for split bullet train wheel pair hollow shaft sleeve
CN104070497A Disassembling and assembling method for pantograph bearing
CN104097073A CRH380B motor train unit brake disc repair fixture
CN104029157A Ratchet wrench for fastening nuts in small space
CN103662563A Numerical-control vertical-rotation repository
CN103533713A Automatic indoor ambient illumination regulation and control system
CN104567615A Tread detection device
CN104513893A Heat treatment method of EA4T steel axle
CN103521988A Water-cooling welding and locating device of 10'' piston component for railway carriage