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DU JUNHUA

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    171,372
  • Filing trend
    ⇧ 100.0%
About

DU JUNHUA has a total of 13 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2005. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, transport and chemical engineering are BIORIGINAL LTD, WAGNER WALTER and WENZHOU RUIXIANG DECORATION ENG CO LTD.

Patent filings in countries

World map showing DU JUNHUAs patent filings in countries

Patent filings per year

Chart showing DU JUNHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Junhua 12
#2 Du Jinze 9
#3 Lu Farui 2
#4 Wu Yutong 1
#5 Ma Yilei 1
#6 Xu Rong 1
#7 Xue Dan 1
#8 Xu Yong 1
#9 Han Zhaoli 1
#10 Wu Chunxiao 1

Latest patents

Publication Filing date Title
CN111284261A Manufacturing process of natural plant creative picture
CN109263869A A kind of intelligent type atmospheric purification unmanned plane and its application method
CN108222340A The crossbeam and upright post connection structure of a kind of building curtain wall
CN107217955A A kind of curtain wall opens sash mounting structure
CN105625617A Frame-supported curtain wall system suitable for dry construction
CN103835415A Sealing structure between curtain wall face plates
CN103774756A Cross beam and stand column connecting structure
CN103306410A Hidden-frame curtain wall mounting structure
CN102644328A Connection structure between stand column and building main body
CN102561570A Mounting structure for exposed frame decorating strips of building curtain wall
WO2006024214A1 A link mechanism between the unit board and main body of the curtain wall