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HUNAN CHANGDE ENVIRONMENT TECH CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    104,486
  • Filing trend
    ⇩ 100.0%
About

HUNAN CHANGDE ENVIRONMENT TECH CO LTD has a total of 16 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and machines are NANJING FUYUAN RESOURCE UTILIZATION CO LTD, TASHK NI I PUROEKUTONUI I SUTO and SHANDONG TOHELM TECH DEVELOPMENT CO LTD.

Patent filings in countries

World map showing HUNAN CHANGDE ENVIRONMENT TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing HUNAN CHANGDE ENVIRONMENT TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qian Wenbin 15
#2 Jiang Weihe 11
#3 Qu Kaijia 10
#4 Yang Yu 4
#5 Qian Zexuan 4
#6 Liu Youjun 4
#7 Wang Zhaoxiang 4
#8 Luo Xiaoyuan 2
#9 Xu Xinping 1

Latest patents

Publication Filing date Title
CN112023507A Filter and filter equipment
CN110240427A A kind of cement slurry additive and its application and cement production process
CN110305711A Coal combustion improver and its application
CN110305710A A kind of coal combustion improver and its application
CN110255947A A kind of grinding aid and its application
CN110240426A A kind of cement slurry additive and its application and cement production process
CN109824284A A kind of cement slurry additive and its application and cement production process
CN109824285A Cement fume desulfurizing agent and its application
CN108017301A The method and cement mixture grinding aid of a kind of cement mixture grinding
CN108017299A A kind of grinding aid and its application
CN108017296A A kind of grinding aid and its application
CN108017297A The method and cement grinding aid of a kind of cement grinding
CN108017300A The method and cement grinding aid of a kind of cement grinding
CN107999265A The method and mineral products grinding aid of a kind of mineral products grinding
CN108017298A The method and cement mixture grinding aid of a kind of cement mixture grinding
CN108014909A The method and mineral products grinding aid of a kind of mineral products grinding