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QINGDAO MAKALL GROUP CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    163,811
  • Filing trend
    ⇧ 100.0%
About

QINGDAO MAKALL GROUP CO LTD has a total of 17 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are KOYANAKA HIDEKI, VENEZIA TECNOLOGIE S P A and FLUORSID S P A.

Patent filings in countries

World map showing QINGDAO MAKALL GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing QINGDAO MAKALL GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yongzhao 12
#2 Li Binjie 5
#3 Yongzhao Li 3
#4 Song Yanwen 1
#5 Liu Sujuan 1
#6 Zhang Chuanyin 1
#7 Sun Mingcheng 1
#8 Weifang Chen 1

Latest patents

Publication Filing date Title
CN111974369A Column chromatography silica gel and preparation method and application thereof
CN111747419A Method for reducing heavy metal content in silica gel
CN110540210A Low-energy-consumption large-pore-volume silica gel and production method thereof
CN110562988A Heat insulation material and production method thereof
CN109292784A A kind of preparation method of silica gel and thus resulting silica gel
CN109173627A It is a kind of change colour silica-gel desiccant preparation method and by its resulting discoloration silica gel
CN108046280A A kind of Alusil and preparation method thereof
CN107043191A A kind of silica gel produces treatment method for high-salinity wastewater
CN105271267A Micron-sized silicon dioxide microsphere and production method thereof
CN104525099A Silica gel having high adsorbability as well as preparation method and use of silica gel
CN103387239A Novel silica gel washing method
CN102899193A Novel environmentally friendly efficient oil stain cleaning agent and preparation method thereof
CN102328933A Preparation method of beer silica gel
CN102042758A Heat exchange system of horse shoe flame kiln
CN101672799A Cat urine pH indicating material, pH indicating silica gel cat sand and preparation method thereof
CN101327931A Silica gel cleaning production method and sulfuric acid production method
CN1363514A macroreticular silica gel and its preparing process