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LIU CUIFEN

Overview
  • Total Patents
    47
  • GoodIP Patent Rank
    32,302
  • Filing trend
    ⇧ 22.0%
About

LIU CUIFEN has a total of 47 patent applications. It increased the IP activity by 22.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, macromolecular chemistry and polymers and environmental technology are RETSUKU TEC LAB KK, SERN STIROL and ALBRECHT GERHARD.

Patent filings in countries

World map showing LIU CUIFENs patent filings in countries
# Country Total Patents
#1 China 47

Patent filings per year

Chart showing LIU CUIFENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Cuifen 47
#2 Liu Zhaoyang 37
#3 Kang Jing 30
#4 Wang Jinchun 27
#5 Wang Yongmei 18
#6 Wang Longfei 17
#7 Ni Tao 15
#8 Liu Xufei 15
#9 Li Qianqian 15
#10 Dong Shuqiang 13

Latest patents

Publication Filing date Title
CN112048066A Stearic acid modified organic silicon material
CN112028533A Early-strength viscosity-reduction type polycarboxylate superplasticizer and preparation method thereof
CN112028542A High-concentration and particle size-controllable composite nano calcium silicate hydrate dispersion liquid and preparation method thereof
CN112047663A Concrete additive special for shield segment and preparation method thereof
CN111995285A Sprayed concrete rebound inhibitor and use method thereof
CN112047661A Recycled aggregate concrete additive
CN111995349A Repairing agent for subway shield segment and preparation method thereof
CN111998532A Energy-saving high-efficiency air source heat pump air heater
CN111734523A Energy-saving and efficient water-cooled manifold for automobile engine
CN111718211A Energy-efficient straw system fertile machine
CN111393991A Tung oil modified organic silicon multifunctional coating and preparation method thereof
CN111333364A Mortar and concrete anti-permeability agent
CN111333363A Concrete synergist and preparation method thereof
CN111285965A Slow-release concrete water-retaining agent and preparation method thereof
CN111333362A Low-dosage high-early-strength alkali-free liquid accelerator and preparation method thereof
CN111333361A High belite sulphoaluminate cement concrete additive
CN111187404A Viscosity-reducing type concrete slump retaining agent and preparation method thereof
CN111217966A Viscosity-reducing early-strength concrete water reducer and preparation method thereof
CN109940744A A kind of Concrete Surface Durability elevator and preparation method thereof and application method
CN110003375A A kind of salt resistance concrete water-retaining agent and preparation method thereof