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LIU ZHANGFEI

Overview
  • Total Patents
    13
About

LIU ZHANGFEI has a total of 13 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are KYOSEI KIKO KK, INSPECTION AND QUARANTINE CT O and Zhou Manxiu.

Patent filings in countries

World map showing LIU ZHANGFEIs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

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

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Changfei Liu 11
#2 Yunhe Wang 4
#3 Li Li 3
#4 Licui Liu 3
#5 Wei Qin 1
#6 Li Li Wang 1
#7 Liu Zhangfei 1
#8 Minghan Han 1
#9 Yong Jin 1

Latest patents

Publication Filing date Title
CN101792397A Method for separating mixture of glycine and iminodiacetic acid by electrodialysis
CN101792396A Method for separating mixed glycine and iminodiacetic acid by utilizing nano-filtering technique
CN101648114A Method for reclaiming methenamine and glycin in glycin mother liquid by using nano-filtering technique
CN101177243A Method for producing hydrogen fluoride under the condition of environment protection low temperature liquid condition
CN101144388A Polyvinyl alcohol environmental protection macromolecule retardant for preventing coal spontaneous combustion
CN101144387A Environment protection chemical retardant for preventing coal spontaneous combustion
CN101139100A Method for producing ammonia and hydrogen chloride gas by using ammonium chloride
CN101139219A Method for treating aminoacetic acid waste water by expanded perlite and manufacturing fertilizer raw materials
CN101117212A Method for preparing ammonia and hydrochloride gas by ammonii chloridum decomposition
CN101117213A Method for preparing ammonia and hydrochloride gas by ammonii chloridum decomposition
CN101016302A Method of reclaiming methenamine and glycine from glycine dealcoholization mother liquid
CN101134683A Method for treating aminoacetic acid waste water by expanded vermiculite powder and manufacturing fertilizer raw materials
CN101007669A Integral utilization for glycine dual-purpose (or multi-effect) evaporated deammoniation of waste water