Learn more

QINGDAO PORT GROUP CO LTD

Overview
  • Total Patents
    47
About

QINGDAO PORT GROUP CO LTD has a total of 47 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and mechanical elements are INST MEK AN UK SSR, LUOYANG FUXING PIPES CO LTD and STRASSEN BRUECKEN UND TIEFBAUK.

Patent filings in countries

World map showing QINGDAO PORT GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 47

Patent filings per year

Chart showing QINGDAO PORT GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Xiaoshan Li 6
#2 Laiyun Li 6
#3 Xu Hongshu 5
#4 Qingcai Zhang 5
#5 Li Jun 5
#6 Shufeng Du 4
#7 Zhiting Yan 4
#8 Shuqiang Li 4
#9 Qingwu Hao 4
#10 Luo Xingbin 3

Latest patents

Publication Filing date Title
CN103527883A Method for quickly drilling hole in steel pipe with water and connecting branch pipe to steel pipe
CN103486948A Butt joint circular tube measurement standard line tension device
CN103193042A Recycling freight bag and sealing method thereof
CN103084882A V iron special for boring machine
CN102887434A Energy-saving tyre crane
CN102718141A Automatic bag pouring device for bagged bulk cargoes
CN102708719A Simulating training equipment for ship unloader
CN102671877A Automatic cleaning device of monitoring camera
CN102555885A Automatic switching device of vehicle disc lock of dump truck for containers
CN102556625A Belt tearing detection device for belt conveyor
CN102556685A Bucket-wheel rotation speed detecting system for bucket-wheel stacker-reclaimer
CN102530749A Novel crane luffing mechanism
CN102530759A Releasing and dislocating preventing device for steel wires of drum of crane
CN102491065A Roller unit with adjustable inclination angles
CN102501222A Fast alignment tool for mounting hinge shaft of gantry crane
CN102556621A Belt conveyor capable of realizing arc transition
CN102493742A Self-closing safety door
CN102205500A Reinforcing base for tool bar of boring machine
CN102261555B Quick coupling of oiling machine
CN102198919A Automatic forklift six-hook removing hanger