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SHANDONG ZHENGHUA CONSTRUCTION TECH CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    126,100
  • Filing trend
    ⇩ 100.0%
About

SHANDONG ZHENGHUA CONSTRUCTION TECH CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering are WANG ZONGCHAO, FRANK GMBH WILH and GRETSCH UNITAS GMBHBAUBESCHLAE.

Patent filings in countries

World map showing SHANDONG ZHENGHUA CONSTRUCTION TECH CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANDONG ZHENGHUA CONSTRUCTION TECH CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Top inventors

# Name Total Patents
#1 Du Yangbin 13
#2 Du Yangji 5
#3 Jia Huanli 5
#4 Li Jian 4
#5 Pan Qingxu 3
#6 Du Yuqiang 1
#7 Wei Wenli 1
#8 Li Chuanfeng 1
#9 Jiao Zhanhua 1
#10 Zhang Peidong 1

Latest patents

Publication Filing date Title
CN111677387A Built-in casement screen sash lock catch and hinge assembly for aluminum alloy casement door and window
WO2020233317A1 Built-in transfer hinge and door/window
CN111075316A Flat-pushing type wire pressing clamping seat for bridge-cut-off aluminum door and window and mounting and dismounting method of flat-pushing type wire pressing clamping seat
CN110700710A Hardware structure for horizontal opening inverted window and working method thereof
CN110344693A The horizontally-opening windows and doors and its installation method of built-in transfer hinge
CN110318642A A kind of middle stile's connection structure and attaching method thereof
CN110043145A A kind of folding wind brace and its working method
CN110005311A It is complete to lock the built-in flat open and inner tilt window of hinge and its assemble method and working method
CN109914953A Inside and outside horizontally-opening windows and doors Built-in hinge and its working method
CN109958349A A kind of door and window handle anti-misoperation structure and its working method
CN107762262A A kind of door and window transmission system
CN107795217A A kind of suspended system of door and window
CN107762326A A kind of door and window transmission system