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LI KEWEN

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    181,888
  • Filing trend
    0.0%
About

LI KEWEN has a total of 12 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1995. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, foods and drinks and chemical engineering are LI HONGFANG, CHEN PEILIN and BIOTEHNOS S A.

Patent filings in countries

World map showing LI KEWENs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Kewen 10
#2 Kewen Li 2
#3 Liu Changwei 1
#4 Li Jihong 1
#5 Chen Jinlong 1

Latest patents

Publication Filing date Title
CN110723704A Plastic bottle plug production equipment
CN108471259A A kind of solar water heater power generator
CN107837368A A kind of traditional Chinese medical science medicine composition for treating lung neoplasm
CN106853359A It is a kind of to dry agent prescription
CN104624049A Diesel engine tail gas reducing agent with lubrication action as well as application and preparation method of diesel engine tail gas reducing agent
CN104500185A Diesel engine tail gas reducing agent as well as application and preparation method thereof
CN104388134A Fuel additive, preparation method, application and fuel containing fuel additive
CN102928276A Manufacturing method of inclusion standard sample synthesized by fused silica capillary
CN103653153A Preparation method of lucid ganoderma juice beverage
CN1174100A Wet asbestos floating and modifying process
CN1135956A Process for manufacturing asbestos and cement tiles
CN1131763A Chinese characters voice and form coding input method