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YINCHUAN HENGYIDA MACHINERY CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    120,566
About

YINCHUAN HENGYIDA MACHINERY CO LTD has a total of 17 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 machine tools, materials and metallurgy and chemical engineering are SICHUAN OILMAN MACHINERY CO LTD, LUOYANG BOPU BEARING MFG CO LTD and HANSHAN COUNTY XINGDA DUCTILE IRON FACTORY.

Patent filings in countries

World map showing YINCHUAN HENGYIDA MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing YINCHUAN HENGYIDA MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mai Xuedong 17
#2 Xu Jianhua 14
#3 Mai Ruiying 10
#4 Ma Ning 6
#5 Li Xueqiang 5
#6 Wang Yao 4
#7 Wang Fengmin 4
#8 Xu Jianguo 4
#9 Biwu Sun 3
#10 Hou Xuebao 3

Latest patents

Publication Filing date Title
CN111283545A Quick change device of machine tool fixture and grinding head
CN111318518A Engine cylinder cap camshaft hole cleaning device
CN111420909A Engine cylinder hole and crankshaft hole cleaning device
CN106623902A Titanium-containing honing oilstone and preparation method and application thereof
CN106625198A Compound superhard honing oilstone containing zirconium oxide and preparation method of compound superhard honing oilstone
CN106625197A Honing oilstone containing vanadium and zirconium and preparation method thereof
CN106737118A Honing stone, preparation method and applications containing yttrium
CN106346259A Horizontal honing and reaming machine tool system
CN106425823A Numerical control honing machine tool
CN105500175A Honing system for cylinders of engines of automobiles
CN105234801A Tile type spiral rising and shrinking honing head
CN104972384A Rigid honing device
CN104924192A Blind hole honing head
CN104400614A Mixed ultra-hard abrasive honing stone
CN102717328A Dual-conical-surface support hinge honing head
CN102734253A Double feed servo hydraulic cylinder
CN102717327A Oilstone servo expansion and shrinkage feed device