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LAIWU IRON & STEEL CO LTD

Overview
  • Total Patents
    65
About

LAIWU IRON & STEEL CO LTD has a total of 65 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are TOYO KOATSU CO LTD, BEIJING JINJIAO BIOMASS CHEMICAL CO LTD and ZWICKAU LANDBAUPROJEKTIERUNG.

Patent filings in countries

World map showing LAIWU IRON & STEEL CO LTDs patent filings in countries
# Country Total Patents
#1 China 65

Patent filings per year

Chart showing LAIWU IRON & STEEL CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Rongchang Xu 8
#2 Ping Zhou 8
#3 Guangjun Wu 7
#4 Xuexin Wang 7
#5 Ming Lu 6
#6 Shanji Guan 5
#7 Hongjian Li 5
#8 Guinan Zhang 5
#9 Laimeng Liu 5
#10 Yongqing Zhang 5

Latest patents

Publication Filing date Title
CN102128186A Water and air double-cooled hydraulic cylinder
CN102094976A Double-lip sealing ring
CN102094092A Iron slag runner sealing cover plate
CN102145351A Adjustable combined sliding guiding and guarding device
CN102103042A Automatic mixed coal sampling device
CN102022313A Control system and method of air compressor unit
CN102020075A Coal bunker wall vibrating device
CN102080188A CrNiMo series easily cut pinion steel and manufacturing method thereof
CN102078957A Continuous casting tundish for improving cleanliness of molten steel
CN102125933A Universal mill type
CN102032801A Air feed control equipment and method for heating furnace
CN102021295A Cold-rolling steel belt for flux-cored wire and manufacture method thereof
CN102021275A Single-station desulphurization deslagging device and method thereof
CN102002645A Preparation method of high-strength wear-resistant steel plate
CN102003608A Automatic colliding type rapid-change connector device
CN102002564A Solar-powered constant-temperature salt bath system
CN102002635A Steel for pressure container in thick specification and preparation method thereof
CN102009073A Device for removing iron scale from surface of high-temperature billet
CN102002657A Method for producing pure titanium strip through cold rolling
CN102003430A Hydraulic cylinder