Learn more

QINGDAO IRON AND STEEL GROUP CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    195,000
About

QINGDAO IRON AND STEEL GROUP CO LTD has a total of 16 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 environmental technology are GOLDENMAX INTERNAT TECHNOLOGY CO LTD, LE GV DOROZHNOGO NII and SHIBANO TOMIKO.

Patent filings in countries

World map showing QINGDAO IRON AND STEEL GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing QINGDAO IRON AND STEEL GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Hu Naizhi 6
#2 Xu Jie 5
#3 Yan Lixin 4
#4 Gao Fengshan 4
#5 Naizhi Hu 4
#6 Jie Xu 4
#7 Qinzhao Zhang 3
#8 Zhen Xianfeng 3
#9 Li Lei 3
#10 Xiao Chao 3

Latest patents

Publication Filing date Title
CN105002316A Novel slag basin for separating phosphorus in converter slag, manufacturing method thereof and using method thereof
CN104789739A Smelting process for deoxidization of molten steel by adopting calcium carbide in refining process
CN104862443A Smelting method for low-carbon low-silicon wire-welding steel
CN104831014A High titanium special welding wire steel smelting method
CN104711391A Method for separating phosphorus in converter slag and recycling converter slag
CN103706633A Wire rod idling device and steel rolling device
CN103302114A Guide and guard unit for steel rolling and steel rolling device
CN103042047A Adjustable conveying roll table and air cooling device for wires
CN103071849A Material shearing device
CN102615116A Guide and steel rolling device
CN102626719A Wire production controlled cooling device and wire production equipment
CN102626716A Roll collar assembling and disassembling clamp
CN102430589A Guide of finish rolling machine, finish rolling machine and steel rolling device
CN102189100A Steel rolling device
CN101704027A Water-cooling device for rolling steel
CN101280397A Composite low-carbon leaded steels and preparation method