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XU DEFU

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    166,165
  • Filing trend
    ⇩ 100.0%
About

XU DEFU has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1994. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, machine tools and civil engineering are AVANTI KK, MATRIVAL S L and ROSE PLASTIC GMBH.

Patent filings in countries

World map showing XU DEFUs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing XU DEFUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Defu 6
#2 Ge Huili 3
#3 Zhu Hongying 3
#4 Defu Xu 1

Latest patents

Publication Filing date Title
CN108216864A A kind of sole placing device special
CN105604302A Adjustable ruler strip
CN108294457A A kind of Shoe brush
CN105464341A Corner protection scale strip
CN105350752A Novel mortar board
CN104895303A Multi-groove strip-pasting plastering tool
CN103284379A Sun-shading safety cap
CN103204314A Wine drink
CN1103400A Process for synthesis of potassium phenylglycinate as intermediate of indigo