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NINGBO SIJIN MACHINERY CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    124,213
  • Filing trend
    ⇩ 100.0%
About

NINGBO SIJIN MACHINERY CO LTD has a total of 24 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets machine tools, mechanical elements and environmental technology are KAMELANDER IVAN, QINGDAO QINDE RIGGING HARDWARE CO LTD and SHANGHAI JD CHUKYO FORGING & STAMPING CO LTD.

Patent filings in countries

World map showing NINGBO SIJIN MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Zhongming 18
#2 Liu Yonghua 10
#3 Zhongming Li 3
#4 Liu Jinhua 2
#5 Gaochun Xu 2
#6 Gong Maoliang 2
#7 Hongjun He 2
#8 Jiang Jufang 2
#9 Limin Li 2
#10 Xu Jiafeng 2

Latest patents

Publication Filing date Title
CN107520371A The scissors pull bar resetting means and repositioning method of cold headers cutting mechanism
CN107524693A The crankshaft-link rod cap assemblies and its installation method of cold headers
CN107520385A Tubular rivet radially punches cold-heading molding mechanism
CN106275220A A kind of bicycle club and cold-heading molding technique thereof
CN106238645A The automatic hot headers of major diameter stock
CN106345964A Cold heading molding process of bicycle axis
CN106238644A The hot automatic heating arrangements of upsetting stock
CN105645173A Linear feed mechanism
CN105598704A U-bolt production apparatus
CN105665544A Molding device for welding studs with arc strike aluminum balls
CN104924095A Sliding table mechanism
CN104923710A Device for synchronously and continuously feeding, uncoiling and straightening large-diameter rolled steel on line through cold header
CN104438592A Ball joint rod production method and ball joint rod rotary die
CN104438546A Edge trimming method for part formed through stamping and stamping and edge trimming device
CN103600013A Process for cold heading forming of ball head pin with holes
CN103317049A Gasket production method
CN103317116A Automatic adjusting system and control method based on die-casting machine clamping force
CN103317515A Cold header clamp
CN103324169A Method for monitoring pressure of die cavity of cold forming machine
CN103008517A Rear pass-out device of cold header