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ZHUZHOU CEMENTED CARBIDE GROUP

Overview
  • Total Patents
    152
  • GoodIP Patent Rank
    51,053
About

ZHUZHOU CEMENTED CARBIDE GROUP has a total of 152 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, machine tools and environmental technology are COAST METALS, KOMPOZIT OAO KOMPOZIT AOOT and JIANGSU INST RES IRON & STEEL SHA STEEL CO LTD.

Patent filings in countries

World map showing ZHUZHOU CEMENTED CARBIDE GROUPs patent filings in countries

Patent filings per year

Chart showing ZHUZHOU CEMENTED CARBIDE GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Zhongjian 13
#2 Long Jianzhan 13
#3 Lu Bizhi 11
#4 Chongwei Fu 7
#5 Peng Yu 7
#6 Zhongjian Zhang 7
#7 Xu Tao 6
#8 Wei Xiuyu 6
#9 Kejun Xiao 5
#10 Jianzhan Long 5

Latest patents

Publication Filing date Title
CN105251767A Steel finish rolling rack system
CN105290413A Method for preparing tungsten carbide-cobalt composite powder through direct reduction and carbonization
CN105154818A Method for eliminating hard alloy carburization defect and paint used in method
CN105241897A Analysis test method for three-dimensional shape of WC crystal grain in hard alloy
CN105132839A Subzero treatment method of hard alloy for cold heading mold
CN105158286A Method for measuring W, Ti, Ta and Fe elements in composite carbide sosoloid
CN105132779A Tungsten-carbide-based cemented carbide and preparation method thereof
CN105021701A Detection method for inner defects of polyhedral hard alloy anvil cell
CN104674097A TiC series steel bonded hard alloy
CN104404335A Steel bond hard alloy
CN104534878A Tungsten/molybdenum crucible for high-temperature heating furnace and manufacturing method of tungsten/molybdenum crucible
CN104502559A Method for judging bicrystal alloy
CN104458537A Characterization method for tungsten oxide powder specific surface area standard sample
CN104359782A Abrasion tester
CN104388797A WC series steel bond hard alloy
CN104388798A WC series steel bond hard alloy
CN104357726A Preparation method of WC-Co hard alloy for mine
CN104458517A Method for measuring radius-thickness ratio of flaky metal powder
CN104498801A TiC-system steel-bonded hard alloy
CN104439263A Preparation method for WC-Co composite powder