Learn more

DELONG STEEL LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    57,740
  • Filing trend
    ⇧ 40.0%
About

DELONG STEEL LTD has a total of 32 patent applications. It increased the IP activity by 40.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, environmental technology and machine tools are XINJIANG BAYI IRON & STEEL CO, SHANDONG IRON & STEEL CO LTD and TIANJIN IRON & STEEL GROUP CO.

Patent filings in countries

World map showing DELONG STEEL LTDs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing DELONG STEEL LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Hongfang 12
#2 Huang Weili 12
#3 Xu Ziqian 11
#4 Yang Zhigang 11
#5 Chen Siping 11
#6 Niu Yuewei 8
#7 She Xuefeng 6
#8 Yu Fei 6
#9 Wang Xiaoguang 6
#10 Meng Xiancheng 6

Latest patents

Publication Filing date Title
CN112159882A Oxygen lance cooling method capable of avoiding energy waste
CN112126729A Divergent coal injection device for blast furnace
CN112266994A Blast furnace iron-smelting method for high-proportion pellet ore
CN112247131A Ladle drainage sand and sand adding method
CN112122357A Convexity distribution method for hot continuous rolling finish rolling strip steel
CN111595152A Movable circulating flue gas hood on sintering machine
CN111578728A Sintering machine circulation flue gas cover convenient to maintenance
CN111575423A Method for adjusting top pressure of blast furnace by using BPRT (blast furnace pressure recovery turbine) unit
CN110863200A Low-carbon strip steel microstructure etching agent
CN110773731A Improve immersion side nozzle for continuous casting in crystallizer flow field
CN110835677A Method for improving sintered ore phase structure
CN110819756A Method for improving bottom blowing gas stirring effect of combined blown converter
CN110976524A Convexity configuration method for working roll of hot continuous rolling mill
CN110317914A Blast-furnace top distributing device for steel scrap fixed point charging
CN110129499A A kind of method of blast furnace addition steel scrap production molten iron
CN109916944A A kind of sintering cup test method and sintered cup
CN109513746A A kind of hot-strip method and rough rolling device for small dimension continuous casting billet
CN109182640A A method of reducing converter smelting endpoint carbon oxygen product
CN109014108A A method of eliminating cold rolling base slab transverse corner crack line
CN108817337A Ladle turret argon jetting method and ladle argon-blown revolving platform under continuous casting mode