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BEIJING CHENGTIAN HENGYE COLLIERY EQUIPMENT CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    195,253
About

BEIJING CHENGTIAN HENGYE COLLIERY EQUIPMENT CO LTD has a total of 19 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 civil engineering are OROSZLANYI SZENBANYAK, LINSINGEN HEINTZMANN VON and ALACCHI GEORGES.

Patent filings in countries

World map showing BEIJING CHENGTIAN HENGYE COLLIERY EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing BEIJING CHENGTIAN HENGYE COLLIERY EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Shafts
#2 Mining

Top inventors

# Name Total Patents
#1 Wang Hongying 15
#2 Chen Zhicai 14
#3 Xu Xingqiang 13
#4 Shi Hongqi 8
#5 Hongying Wang 4
#6 Chen Hanzhang 3
#7 Zhicai Chen 3
#8 Xingqiang Xu 3
#9 Wang Yu 3
#10 Shu Wenli 3

Latest patents

Publication Filing date Title
CN104912554A Under-pressure self-moving excavation and support unit and under-pressure self-moving method
CN104533493A Shield support for evacuating and recovery
CN104314595A Hydraulically-driven telescopic and overturning combination mechanism for bracket
CN104265288A Coal-mining protecting device with telescopic turnover mechanism
CN104179518A Hydraulic support for roadway supporting
CN103541751A Multifunctional coal mining hydraulic protection arm rake-mounting support device
CN103485813A Raking device of coal mining shielding support
CN103470280A Dismountable top beam hydraulic support frame for coal mine
CN103303809A Turret type hydraulic loader for underground coal mine
CN103114861A Wet-stirring hydraulic concrete jetting machine for coal mines
CN103061792A Hydraulic support for coal mine vehicle
CN102793312A Dustproof mouth mask with dynamic breathing function
CN102748042A Valve-column integrated type hydraulic bracket supporting column for coal mine
CN102659036A Hydraulic hoisting machine for loading and unloading equipment and material in underground coal mine
CN102606177A Hydraulic prop for hydraulic support system
CN102383818A Folding type suspended mobile hydraulic support equipment
CN101769159A Flexible shield-type hydraulic support for coal mine
CN101798935A Transverse self-moving combined suspension hydraulic bracket
CN101571051A Traction sliding hydraulic support system