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NINGBO HWAMDA MACHINERY MFG CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    135,530
About

NINGBO HWAMDA MACHINERY MFG CO LTD has a total of 18 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets machines, machine tools and measurement are FREITAL PLASTMASCHINEN, HEMSCHEIDT MASCHTECH SCHWERIN and Engel machinery shanghai co ltd.

Patent filings in countries

World map showing NINGBO HWAMDA MACHINERY MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing NINGBO HWAMDA MACHINERY MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Hanli 7
#2 Xue Yuanjie 5
#3 Guo Weiliang 4
#4 Pan Changwei 4
#5 Zheng Chi 3
#6 Zhong Zhehai 3
#7 Liu Xiang 3
#8 Ni Dexiang 3
#9 Shen Jiaming 2
#10 Wang Zhouting 2

Latest patents

Publication Filing date Title
CN111559060A Zero back pressure injection oil piping system
CN111550459A Safety protection oil circuit system of servo pump
CN111559058A Safety die assembly oil way system of cartridge valve
CN107186955A A kind of double-plate injection moulding machine hanging apparatus and hanging method
CN106767349A A kind of double-plate injection moulding machine axiality test device and its method of testing
CN106584797A Plastic melting barrel used for melting thermosetting plastic
CN106584055A Dismounting mechanism for connecting parts of injection molding machine
CN106626302A Improved mechanical insurance mechanism of injection molding machine
CN106626238A Automatic connection device based on head plate and pull rod for injection molding machine
CN106695661A Mounting mechanism of roller and roller shaft and method
CN106799814A A kind of mechanism of the encapsulation dew removing machine at the top of injection machine and method
CN104354275A Return limiting mechanism for two ejection oil cylinders of injection molding machine
CN104406496A Tool for measuring gap between pull rod and head plate nut of injection molding machine
CN102962972A Hydraulic system of injection molding machine with servo pump
CN102941464A Automatic press-in equipment for interference steel jacket on rotating junction on injection molding machine
CN102941466A Installation equipment for die regulating nut of large-scale injection molding machine
CN102944489A Force-increasing test apparatus for tensile strength of pull rod
CN102922701A Three-position embryo-taking device on bottle embryo injection molding machine