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LI KUANYI

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    197,844
About

LI KUANYI has a total of 17 patent applications. Its first patent ever was published in 1994. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, environmental technology and organic fine chemistry are INVENTA A G FUER FORSCHUNG AND, NIKODEM CARO and HANS HARTER DR.

Patent filings in countries

World map showing LI KUANYIs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Kuanyi 14
#2 Li Jun 10
#3 Bai Xianli 10
#4 Long Zhi 10
#5 Zeng Wenjuan 8
#6 Xu Chen 3
#7 Li Zijun 3
#8 Xiong Zhiping 3
#9 Li Kuanyi Zeng 2
#10 Zhu Xifu 2

Latest patents

Publication Filing date Title
CN106701132A Brown coal upgrading method through high-efficient and clean refined comprehensive utilization of coal-based energy
CN106479548A Coal base high efficiency of energy cleaning becomes more meticulous using environment-protecting clean method
CN106477597A The comprehensive utilization of Filter Tuber For Clean Coal tail gas produces the environment-protecting clean method of hydrocyanic acid derivant
CN104876875A Environmentally-friendly clean technologic production method of highly pure hydantoin
CN104876876A Clean production method for continuously synthesizing hydantoin
CN102897798A Environmental-protection cleaning technology for producing hydrocyanic acid derivatives by comprehensive utilization of coke oven gas
CN102897797A Environmentally-friendly clean technology for producing hydrocyanic acid derivatives from coal-bed methane
CN103086400A Environment-friendly clean process method for producing hydrocyanic acid derivatives by purge gas
CN101928299A Clean process method for preparing high-purity glyphosate from glycine
CN1858034A Environment friendly clean producing method for high pure propane diacid
CN1854168A Synthesis of urea modified furan resin by two-step method
CN1693300A Process for environmental protecting cleaning producing high pure methoxy (ethoxy) methylene (ethylene) malonic ester
CN1475475A Method of producing hydroquinone by palladium carbon low pressure catalytic hydrogenation
CN1182640A Method for applying regenerated circulation of fluid-bed catalytic hydrogenation catalyst
CN1116619A Process for producing p-phenylene diamine by low pressure catalytic hydrogenation