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DONGHUA MACHINERY LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    82,775
  • Filing trend
    ⇧ 66.0%
About

DONGHUA MACHINERY LTD has a total of 30 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets machines, mechanical elements and environmental technology are NINGBO SHUANGMA MACHINERY IND CO LTD, GUANGDONG YIZUMI PRECISION INJECTION TECH CO LTD and YUDO CO LTD.

Patent filings in countries

World map showing DONGHUA MACHINERY LTDs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing DONGHUA MACHINERY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xie Xiongfei 14
#2 Xiangdong Li 6
#3 Xiongfei Xie 5
#4 Liu Hong 5
#5 Cai Guoqiang 5
#6 Chen Zhixiong 5
#7 Zhou Jinjun 4
#8 Zhang Wenjun 4
#9 Li Xiangdong 4
#10 Liu Yang 4

Latest patents

Publication Filing date Title
CN110722734A Oblique angle backpack type auxiliary injection platform device
CN110722757A Novel die clamping mechanism and control method
CN110712344A Multi-motor glue injection electric injection platform mechanism and control method
CN110480970A A kind of injection molding machine plasticizing apparatus and control method
CN110341117A Two-component colour mixture co-infusion device
CN110341120A Double-colored hybrid injection die head
CN110039706A A kind of full electric injection molding machine and its melten gel control method
CN109514221A A kind of fitting device and control mode to move along a straight line and rotary motion is integrated
CN109469655A A kind of quick telecontrol equipment of oil cylinder and control mode
CN108656504A A kind of overmolded equipment of material and moulding process
CN108708946A A kind of more train synchronous belt clamping systems and control mode
CN108773036A The electronic She Tai mechanisms of double lead injection
CN108000823A A kind of chemistry fretting map injection-moulding device and chemical micro foaming injection moulding technique
CN107364092A A kind of small-sized She Tai mechanisms
CN106926567A A kind of coating former and forming method
CN106015199A Servo hydraulic driving multi-pump linkage control system
CN105328862A Screw rod installation structure of injection molding machine
CN105333274A Novel sliding support mechanism
CN104723518A Injection mechanism of injection molding machine and control method
CN104742341A Servo-power four-station rotary plate mechanism