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XI AN COAL MINING MACHINERY CO

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    184,422
About

XI AN COAL MINING MACHINERY CO has a total of 27 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets machine tools are CHANGZHOU TIANYI AUTO PARTS CO LTD, WUXI XISHAN ANDA EXPLOSION PROOF ELECTRICAL EQUIPMENT CO LTD and TIANJIN BEIKE PRECISE FA D & M CO LTD.

Patent filings in countries

World map showing XI AN COAL MINING MACHINERY COs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing XI AN COAL MINING MACHINERY COs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Top inventors

# Name Total Patents
#1 Zhao Youjun 5
#2 Jiang Haipeng 4
#3 Shi Xiubao 4
#4 Bai Xixun 4
#5 Song Zefeng 4
#6 Wang Peike 3
#7 Ma Minzheng 3
#8 Yuan Zeqing 3
#9 Shi Rengui 3
#10 Xixun Bai 3

Latest patents

Publication Filing date Title
CN104953531A Automatic cable towing system of coal mining machine as well as control method and device for automatic cable towing system
CN104858077A Atomizing nozzle for coal mine cutting equipment
CN104805451A Heat processing technology for improving impact energy of 20CrNiMo alloy steel
CN104682313A Automatic towing device and method for coal mining machine
CN104308776A Tool for mounting tooth holder of end effector for mining equipment
CN104120364A Alloy tempered cast steel for rocker arm of coal cutter and preparation method of alloy tempered cast steel
CN104131231A Low-carbon micro-alloyed cast steel for rocker arm of coal mining machine and preparation method of low-carbon micro-alloyed cast steel
CN103359594A Cage locking swing deck
CN103128431A Plasma cutting operating platform
CN102797462A Automatic cutting control system and automatic cutting control method for coal cutter
CN102767611A Method for adjusting clearance of bearing at upper part of heavy loaded planetary reducer of coal cutter cutting unit
CN102819238A Engraving method for image-text information outline
CN102744561A Deep hole machining process
CN102680179A Method for detecting shrinkage porosity hole of root of motor barrel of rocker arm of cutting unit of coal mining machine
CN102632251A Annular deep narrow groove turning knife tool of round workpeice end surface for horizontal lathe and use method
CN103161464A A forced antiskid mechanism for a coal mining machine
CN103161463A Dynamic oiling device used for hydraulic system of coal mining machine
CN103161482A Revolving platform for turning around hydraulic support
CN102287185B High-power heavy low seam mining machine
CN102287186B Self-positioning system and self-positioning method for coal mining machine