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LIU ZHENYI

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    214,367
About

LIU ZHENYI has a total of 12 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States and China. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are BEIJING SJ ENVIRONMENTAL PROT & NEW MATERIAL CO LTD, DENOX ADVANCED MAT CO LTD and ENGELHARD PROCESS CHEM GMBH.

Patent filings in countries

World map showing LIU ZHENYIs patent filings in countries
# Country Total Patents
#1 United States 7
#2 China 5

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Zhenyi 11
#2 Lin Ke 3
#3 Zhao Yao 2
#4 Guo Chen 2
#5 Li Mingzhi 2
#6 Fan Tao 2
#7 Liu Fengren 2
#8 Guo Ruijun 2
#9 Wang Xiangsheng 2
#10 Yu Yongsheng 1

Latest patents

Publication Filing date Title
CN112032461A Hydrogel plugging technology-based method for quickly and locally replacing oil pipeline
CN111978489A Hydrogel for temporarily plugging oil pipeline and preparation method thereof
CN109171218A A kind of high school student's eye-protective desk
CN103591015A Modified ball valve
US2010210449A1 Composition of amorphous iron oxide hydroxide, desulfurizer comprising the same, and methods for preparing and regenerating the desulfurizer
CN1096893A The method of go manual memory apparatus and execution go note spectrum