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LI CHENGZHONG

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    184,780
About

LI CHENGZHONG has a total of 15 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, environmental technology and chemical engineering are HEFEI REYAO ENV PROT BUILDING MAT TECH CO LTD, MAEDA ROAD CONSTRUCTION CO LTD and QUIMIKAO S A DE C V.

Patent filings in countries

World map showing LI CHENGZHONGs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing LI CHENGZHONGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Chengzhong 13
#2 Li Shi 1
#3 Chengzhong Li 1
#4 Shi Li 1
#5 Pan Rongan 1
#6 Li Chengzhong Li 1

Latest patents

Publication Filing date Title
CN110294875A A kind of preparation method of compounded rubber resilient cushion
CN110372924A A kind of composite rubber water stop
CN110372934A A kind of preparation method of high temperature resistant anti-aging rubber conveyer belt
CN108397793A A kind of explosion-proof combined system of gas furnace valve anti-leak
CN105715848A Special timer-shut-down valve safety device for gas stove
CN104088749A Circular impact type energy-making power device
CN103920085A Drug-rehabilitation, toxin-elimination and addiction-elimination composition, as well as preparation and preparation method thereof
CN104667723A Carbon dioxide zero-emission method
CN103101986A High-efficiency seawater evaporation and desalination technique
CN103103564A Technology for extracting gold from seawater
CN103095178A Needle leaf type solar power generation tree
CN1948558A Method of extracting gold from sea water
CN1658251A Computer on-line teaching system
CN1223118A Process for producing biological active calcium
CN1054278A The extracting method of gold