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DONGGUAN HUAHUI PREC MACHINERY CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    162,909
About

DONGGUAN HUAHUI PREC MACHINERY CO LTD has a total of 15 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 mechanical elements, machines and machine tools are SINOMA LIYANG HEAVY MACHINERY CO LTD, CANICA CRUSHERS and CHENGDU XINLI EQUIPMENT MFG CO LTD.

Patent filings in countries

World map showing DONGGUAN HUAHUI PREC MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing DONGGUAN HUAHUI PREC MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Wende 7
#2 Zhang Yaocheng 6
#3 Zhang Yong 5
#4 Ou Jianyi 4
#5 Deng Hongmei 3
#6 Feng Junfeng 3
#7 Xiang Nan 2
#8 Zhang Siyuan 2
#9 Zhang Liqing 2
#10 Luo Xiaohua 2

Latest patents

Publication Filing date Title
CN112275397A Double dynamical no screen cloth intelligence nanometer sand mill
CN111921636A Dispersing grinding cylinder device for sand mill
CN111389525A Trapezoidal laminated nano sand mill
CN109027246A A kind of mechanically-sealing apparatus of high viscosity ball mill
CN109237044A A kind of dry-type encapsulated device for twin-screw dry powder pump
CN109163098A A kind of dry-type mechanical sealing device for prohibiting grease health blender
CN109163097A A kind of mechanically-sealing apparatus of ultrafine dust ball mill
CN109185462A A kind of dry-type mechanical sealing device of ultrahigh speed homogenizer
CN103759090A Asphalt conveying device with preheating function
CN103759008A Preassembled ejection preventive two-stage mechanical sealing device and ejection preventive method for same
CN103753038A Welding process and application device of corrugated pipe assembly
CN103759007A Double-end-face bellows sealing device for ball mill
CN102966739A Bellows mechanical sealing device with self-circulation function
CN102927040A Mechanical seal structure for narrow seal chamber
CN103016391A Mechanical sealing device of high-pressure water injection pump