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QINGDAO QINGDUAN METALFORMING MACHINERY CO LTD

Overview
  • Total Patents
    11
About

QINGDAO QINGDUAN METALFORMING MACHINERY CO LTD has a total of 11 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are LUCHUAN YING PING ANIMAL HUSBANDRY CO LTD, SHINKO MEX CO LTD and LLURGICHESKIJ KOM.

Patent filings in countries

World map showing QINGDAO QINGDUAN METALFORMING MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing QINGDAO QINGDUAN METALFORMING MACHINERY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Liu Xuezhen 4
#2 You Xin 3
#3 Zhu Yuansheng 3
#4 Jiang Tongxiu 3
#5 Su Zhengli 2
#6 Zhang Yunqian 2
#7 Zhao Long 2
#8 Liu Xianming 2
#9 Zhang Yuanliang 2
#10 Zhang Dong 2

Latest patents

Publication Filing date Title
CN102922047A Large-sized inner gear ring machining device
CN102909883A System for measuring and displaying motion state of press slide
CN102927875A Thread measuring instrument
CN102909622A Movable-type body guide-rail grinding machine
CN102909408A Special device for large-diameter thread boring of floor-type boring machine
CN102909442A Large-scale screw thread tooth surface polishing tool
CN102909441A Numerical-control threading device
CN102922342A Large shaft part end spline machining tool
CN102913734A Lubricating oil focus cycle utilization system for preventing oil pump suction
CN103419273A Power-driven spiral brick machine
CN103084526A Frequency conversion type double disk friction press