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ZHEJIANG DONGRUI MACHINERY INDUSTRY CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    171,378
About

ZHEJIANG DONGRUI MACHINERY INDUSTRY 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 machine tools are MASSEY HAROLD FLETCHER, OS BAD ROZWOJOWY OBROBKI PLAST and JAPAN ROYAL SEIKI KK.

Patent filings in countries

World map showing ZHEJIANG DONGRUI MACHINERY INDUSTRY CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing ZHEJIANG DONGRUI MACHINERY INDUSTRY CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Focus technologies

# Technology
#1 Forging

Top inventors

# Name Total Patents
#1 Jin Wei 10
#2 Li Duoquan 6
#3 Chen Wencheng 4
#4 Yang Yuqiang 3
#5 Chen Huang 2
#6 Sun Dehui 2
#7 Zhiquan Li 1
#8 Youlu Zou 1
#9 Pan Xiaohui 1
#10 Guanghong Hou 1

Latest patents

Publication Filing date Title
CN105033116A Cold heading forming machine
CN105033161A Cold header feeding manipulator device
CN105033159A Straightening manipulator device of cold header
CN104874714A Commutator segment manufacturing method
CN104759569A Commutator segment manufacturing method
CN104785703A Through ejecting device after cold heading
CN104810704A Groove type commutator bar cold heading technology
CN104190843A Outward turning mechanism for clamp pieces of cold header clamps
CN104117620A Material blocking mechanism for cold header in short product hitting process
CN102151782A Clamp mechanism of cold heading forming machine
CN102274918B Rear pass mechanism for cold upsetting forming machine