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HEBEI WENFENG IRON AND STEEL CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    209,420
About

HEBEI WENFENG IRON AND STEEL CO LTD has a total of 17 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy and machine tools are ACOS VILLARES SA, JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO and BAOSTEEL SPECIAL STEEL CO LTD.

Patent filings in countries

World map showing HEBEI WENFENG IRON AND STEEL CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing HEBEI WENFENG IRON AND STEEL CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Renjie Bian 9
#2 Shujin Yu 8
#3 Jincheng Bai 4
#4 Zhao Bo 4
#5 Yong Ren 4
#6 Jianwu Miao 3
#7 Qin Lichao 3
#8 Jinxing Wang 3
#9 Peng Hongqi 3
#10 Li Xiangtao 3

Latest patents

Publication Filing date Title
CN110252852A A kind of mould steel method for controlling shape
CN110117708A A kind of process for quenching of thin specification steel plate
CN110129652A A kind of low manganese microalloy Q355 structural steel and its preparation process
CN103194561A Device for directly adding sintering returned dust into ladle
CN103160635A Process for producing die steel by utilizing converter continuous casting mode
CN102966848A Four-season general observable composite coal gas dehydrator
CN102078948A Continuous casting pouring device for electrical pulse inoculation
CN102114494A Movable guide
CN101979670A Metallurgical liquid tank
CN101982702A Gas conduit drainer
CN101920275A Circulating water cooling system
CN101920317A Rectangular casting blank crystallizer
CN101862824A Stretch-in ladle heat exchange roasting nozzle
CN101851696A Raw material preheating and shoot charging system of top-blown oxygen steelmaking converter
CN101514380A Metal mixing device
CN101486089A Series ladle baking device
CN101318207A Atomizing cooling method for straightener roll of straightener and atomizing cooling device