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SHANGHAI HAN SPARK MECHANICAL & ELECTRICAL CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    158,350
About

SHANGHAI HAN SPARK MECHANICAL & ELECTRICAL CO LTD has a total of 12 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 are HITACHI PUMP WUXI CO LTD, BAKST ALEKSANDR YA and MARUGO KOGYO KK.

Patent filings in countries

World map showing SHANGHAI HAN SPARK MECHANICAL & ELECTRICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing SHANGHAI HAN SPARK MECHANICAL & ELECTRICAL CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Focus technologies

# Technology
#1 Accessories for machine tools

Top inventors

# Name Total Patents
#1 Zhao Qiang 10
#2 Tang Huaji 2

Latest patents

Publication Filing date Title
CN104377983A Composite voltage control power source for spark machine
CN103831490A Working solution filter device for EDM machine tool
CN103831499A Silicon powder adding device for electrical process machine working solution
CN103878460A Silica powder mixing device for electric machining machine tool oil tank
CN103867877A Improved oil absorption device for EDM (Electric Discharge Machining) machine tool
CN103861372A Engine-oil cooling and filtering device for electric-spark machine tool
CN103861371A Improved engine oil filtering device for electric spark machine tool
CN103831498A Detecting mechanism for fire extinguisher in machine tool
CN103831488A Modified noise motion drive device for electrical discharge machining tools
CN103831671A Real-time detecting mechanism for straightness accuracy of lead screw in machine tool
CN103846728A Screw middle supporting mechanism in machine tool
CN103658878A Electric machining device for machining molybdenum metal