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CHONGQING IRON STEEL GROUP CO

Overview
  • Total Patents
    257
  • GoodIP Patent Rank
    17,191
About

CHONGQING IRON STEEL GROUP CO has a total of 257 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, machine tools and materials and metallurgy are ZHENJIANG RIJIN GRINDING STUFF CO LTD, ANQING XUDONG INDUSTRY & TRADE CO LTD and KUNSHAN GUANYI GLASS CO LTD.

Patent filings in countries

World map showing CHONGQING IRON STEEL GROUP COs patent filings in countries
# Country Total Patents
#1 China 257

Patent filings per year

Chart showing CHONGQING IRON STEEL GROUP COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Jianjun 38
#2 Li Xingjie 28
#3 Dong Baoyu 16
#4 Chen Dongsheng 16
#5 Liu An 11
#6 Dai Xiaobin 10
#7 Dechang Lu 9
#8 Gongliang Wei 9
#9 Qin Hongwei 7
#10 Yougao Lei 7

Latest patents

Publication Filing date Title
CN105234181A Cooling water pipe
CN105345434A Dismounting tool and method for dismounting axle of sintering trolley
CN104889121A Steel pipe cleaning device with injection acceleration function
CN104858188A Steel pipe cleaning device capable of achieving timely opening and closing of cleaning fluid
CN104858185A Steel pipe cleaning device and cleaning method thereof
CN104841673A Steel pipe inner and outer wall cleaning device
CN104846212A Consumable electrode vacuum furnace smelting method
CN104976888A Vacuum consumable smelting furnace
CN104827406A System for processing steel pipe inner wall surface quality defects
CN104985534A Small-bore steel pipe inner wall surface defect batch processing method
CN104816253A Quality defect treating device for inner wall of steel pipe
CN104831083A Electric furnace system for electroslag metallurgy
CN104831082A Electroslag smelting electric furnace system
CN104831081A Electroslag smelting method
CN104789788A Bottom water tank structure with good heat exchange uniformity for electroslag remelting furnace
CN104911370A Electroslag remelting furnace bottom water tank dismounting and maintaining method
CN104805304A Electric slag remelting furnace bottom water box structure capable of being favorably maintained
CN104759959A Batch processing method for non-ferromagnetic round steel test sample work-piece
CN104673984A Steel pipe annealing heat treatment method
CN104673983A Steel pipe annealing heat treatment system