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YU KEFU

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    176,004
  • Filing trend
    0.0%
About

YU KEFU has a total of 11 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1993. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy and environmental technology are GUANGXI YUNYAN SPECIAL CEMENT LTD YSL, WUHAN YUANJING READY-MIXED CONCRETE CO LTD and HEIDELBERGCEMENT AG.

Patent filings in countries

World map showing YU KEFUs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing YU KEFUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Kefu 9
#2 Lu Kaiyu 1
#3 Hongwen Chen 1
#4 Tong Xianchang 1
#5 Kefu Yu 1
#6 Xie Yunding 1

Latest patents

Publication Filing date Title
CN111875303A Gold tailing curing agent, preparation method and use method
CN111847922A Iron ore tailing curing agent, preparation method and use method
CN111470751A Dredged sludge curing agent, preparation method and use method
CN110342843A Using gold tailings tailing as sandstone aggregate of raw material and preparation method thereof
CN110256087A Using gold tailings and solid waste as sponge brick of raw material and preparation method thereof
CN110294626A Using waste materials such as red muds as ecological sandstone aggregate of raw material and preparation method thereof
CN109437850A Using gold tailings and solid waste as seepage brick of raw material and preparation method thereof
CN107759175A A kind of preparation technology of non-sintered chemical industry organic sludge ecological brick
CN103274658A Industrial waste residue and solid danger refuse resource utilization method
CN1393135A Durable-acting safety pesticide
CN1076096A Magneto-therapeutic healthy bathtub