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DALIAN LOCOMOTIVE & ROLLING ST

Overview
  • Total Patents
    340
  • GoodIP Patent Rank
    12,066
About

DALIAN LOCOMOTIVE & ROLLING ST has a total of 340 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China, New Zealand and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, environmental technology and machine tools are CRRC DALIAN CO LTD, CRRC ZHUZHOU LOCOMOTIVE CO LTD and CSR ZHUZHOU ELEC LOCO RES INST.

Patent filings in countries

World map showing DALIAN LOCOMOTIVE & ROLLING STs patent filings in countries

Patent filings per year

Chart showing DALIAN LOCOMOTIVE & ROLLING STs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cai Zhiwei 24
#2 Wang Wei 15
#3 Zhiwei Cai 13
#4 Guan Minghua 12
#5 Dong Zhizhong 11
#6 Liu Xia 11
#7 Jiang Xulong 10
#8 Minghua Guan 9
#9 Liu Changchong 9
#10 Li Yunlong 8

Latest patents

Publication Filing date Title
CN105922997A Removable shunting canopy mechanism
CN105413995A Method for enhancing insulation of electric appliance screen cubicle for locomotive
CN105425579A Redundancy control method of locomotive
CN105353651A Microcomputer screen-combining simulation debugging method for locomotive master control system and electric pneumatic breaking system
CN105416093A Main generator excitation current variable-level control circuit adopted when locomotive microcomputer excitation control fails
CN105366531A Disassembling, assembling and hoisting method for engine full-suspension drive device
CN105370381A External cooling device of internal corridor type internal combustion locomotive
CN105416311A Speed control protecting device for diesel engine during emergency braking of locomotive
CN105346397A High voltage isolating switch with delayed disconnecting function
CN105487004A DC contactor or relay closing time test circuit
CN105299188A Common integral bearing type cast aluminium alloy gearbox casing of quick locomotive
CN105416325A Driver seat for locomotive
CN105383305A Power supply circuit for railroad vehicle
CN105441663A Method for preventing deformation, oxidization and decarburization of gaskets
CN105298622A Automatic exhaust system of cooling water system of diesel engine
CN105319483A Electrical wire harness earth fault point location determining device and method
CN105347168A Hoisting tool for crankshaft cylinder sleeve cavity sand core of diesel engine body
CN105292154A Ceiling fault surface structure of urban rail stainless steel vehicle
CN105292168A Gas path board mounting and tubing module of braking system
CN105390344A Auxiliary arc-extinguishing device for diesel engine starting contactor of internal combustion locomotive