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ERZHONG GROUP DEYANG HEAVY EQUIPMENT CO LTD

Overview
  • Total Patents
    24
About

ERZHONG GROUP DEYANG HEAVY EQUIPMENT CO LTD has a total of 24 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, materials and metallurgy and machine tools are SAMARSKAJA G ARKHITEKTURNO STR, RESPUB INZH TEKHN TS POROSHKOV and OIZUMI TAKATSUGU.

Patent filings in countries

World map showing ERZHONG GROUP DEYANG HEAVY EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing ERZHONG GROUP DEYANG HEAVY EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Min Bai 4
#2 Yueqiao Wang 3
#3 Dan Li 2
#4 Luhui Fan 2
#5 Ying Yang 2
#6 Jianping Chen 2
#7 Haidi Chen 2
#8 Qinghua Zhang 2
#9 Lei Sun 2
#10 Xiaoci Chen 2

Latest patents

Publication Filing date Title
CN103252362A Forced rolling mill feed device
CN103231212A Processing method for ultralong welding similar parts
CN103231224A Method for molding 90-degree elbow pipe after surface welding of inner wall of pipe billet of straight pipe
CN102628858A Method for analyzing internal defects of large forge piece
CN102042459A Lateral frame structure for large frame
CN101823112A Forging process of plate element
CN101700982A Heat insulating material for forging large-size forge piece
CN101664821A Milling device
CN101564750A Process and device for forming straight-edge conical cylinder forged piece of nuclear power evaporator
CN101457287A Auxiliary quenching fixture and quenching method of thin wall internal tooth ring
CN101456036A Breast-roll set replacement method and hoisting clamp thereof
CN101433915A Vertical roller mill frame hanging device
CN101264846A Forge crane overload servo protection device
CN101250662A Method for smelting high-nitrogen steel
CN101245168A Stainless steel weld overlay cladding protective agent and manufacture method thereof
CN101196176A Low temperature wind-driven generator speed increasing engine oil lubrication system
CN101185966A Large-scale steel casting production technology and slowly cooling device thereof
CN101185942A Roller mill roll bending and shifting device
CN101181759A Hobbing type dual-side chopping shear backlash adjusting device
CN101195127A Main transmission spindle carrier of roller mill locating and enclasping device