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YICHANG CHANGJIANG MACHINE TECH CO LTD

Overview
  • Total Patents
    50
  • GoodIP Patent Rank
    29,696
  • Filing trend
    ⇩ 40.0%
About

YICHANG CHANGJIANG MACHINE TECH CO LTD has a total of 50 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets machine tools, mechanical elements and packaging and shipping are NI PT I MASH, POGOSYAN ALBERT S and NILES WERKE AKT GES DEUTSCHE.

Patent filings in countries

World map showing YICHANG CHANGJIANG MACHINE TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 50

Patent filings per year

Chart showing YICHANG CHANGJIANG MACHINE TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qiao Lingyun 11
#2 Xiang Guangxiang 10
#3 Li Tuopu 8
#4 Dai Guohui 7
#5 Jiang Yu 6
#6 Chen Baojun 6
#7 Wang Wei 6
#8 Luo Cheng 6
#9 Lu Yu 5
#10 Deng Yingcheng 4

Latest patents

Publication Filing date Title
CN112222541A Clamp exchange workbench mechanism of medium-sized gear shaper and operation method
CN111889812A Method for detecting and eliminating cutter back-off interference in gear machining
CN111774894A Device and method for machining and positioning gear shaft
CN111774895A Radial elastic clamping mechanism and method for shaft parts
CN111761372A Automatic stroke adjusting mechanism and method for gear processing machine tool
CN111230550A Clamp for milling teeth of rack piston of automobile steering gear and processing method
CN111288032A Hydraulic system of numerical control gear milling machine tool and control method
CN110977057A Automatic alignment and locking structure and method for large inner gear ring workpiece
CN110773762A Turning tool body structure capable of independently feeding and control method
CN110497042A Motor body gear-shaping clamp and hydraulic control method
CN110405286A A kind of gear shaping machine knife position self-regulation structure and method
CN110280843A A kind of gear shapping machine removes the device and method of special-shaped teeth portion burr
CN110405288A A kind of control method realized comb slot knife and be grouped displacement cycle automatically
CN110045685A The method for examining gear machine operating accuracy
CN109986591A A kind of grasping mechanism and application method that can quickly adjust jaw position
CN109352352A A kind of guide rail guiding clamps set composite and application method
CN109262251A A kind of O-ring seals protection device for installing and assembly method
CN109352351A A kind of tight integrating device of guide rail guide clip and application method of angle adjustable
CN108994398A Gear Processing flexibility alignment device and method
CN109047945A A method of improving Gear Processing precision and stability