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KUNMING CHINA RAILWAY LARGE MAINTENANCE MACHINERY GROUP CO LTD

Overview
  • Total Patents
    65
  • GoodIP Patent Rank
    49,479
About

KUNMING CHINA RAILWAY LARGE MAINTENANCE MACHINERY GROUP CO LTD has a total of 65 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 civil engineering, machine tools and mechanical elements are ABBAYE ATEL CONST, MANNIX CO LTD and OTTO R BARNETT.

Patent filings in countries

World map showing KUNMING CHINA RAILWAY LARGE MAINTENANCE MACHINERY GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 65

Patent filings per year

Chart showing KUNMING CHINA RAILWAY LARGE MAINTENANCE MACHINERY GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hu Bin 21
#2 Guo Guanzhu 13
#3 Fang Jiankang 13
#4 Xie Jiangsheng 12
#5 Li Haikun 12
#6 Cai Changsheng 11
#7 Liu Gang 11
#8 Zhao Xueyu 10
#9 Zhang Shipu 9
#10 Chen Anye 9

Latest patents

Publication Filing date Title
CN105200953A Ballastless track bed sewage absorbing device and corresponding sewage absorbing truck thereof
CN106274614A Track weed killing waggon
CN104846707A Finish-milling unit of mobile rail-milling car
CN104863029A Mobile type steel rail milling vehicle
CN105290869A Scrap iron grinding powder collecting system of rail-mounted steel rail milling and polishing machine
CN104911965A Rough milling device of mobile rail milling vehicle
CN105270882A Integrated material storage and pneumatic exhaust method and corresponding device
CN104832252A Selective type tail gas purifying device
CN104532780A Railway ballast sand removal vehicle
CN105803993A Track side face auxiliary coal and sand sucking device and corresponding track sand removal vehicle
CN105804783A Tunnel dust removal method
CN105804784A Tunnel dust removal vehicle
CN105804785A Tunnel dust removal vehicle with conveyor belt type sewage collecting cabin and application method of tunnel dust removal vehicle
CN105697052A Tunnel dust removal car with drawer type dust collecting cabin and use method thereof
CN105625115A Stabilizing operation control method of main-line turnout stabilizing carriage in turnout zone
CN105625116A Operation construction method of main-line turnout stabilizing carriage
CN105625120A Railway track profile shape modifying vehicle and modifying method as well as corresponding equipment
CN105625122A Railway steel rail profile shape renovating unit and corresponding device
CN105625121A Railway track profile shape milling and grinding equipment
CN105350410A Track panel lifting device