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CARBORUNDUM CO

Overview
  • Total Patents
    3,663
About

CARBORUNDUM CO has a total of 3,663 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machine tools and machines are HERMES SCHLEIFMITTEL GMBH, ISHIZAKI KOZO and RIMAN RICHARD E.

Patent filings per year

Chart showing CARBORUNDUM COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Benner Raymond C 114
#2 Tone Frank J 80
#3 Benner Raymond Calvin 69
#4 Economy James 64
#5 Taylor Kenneth M 46
#6 Melton Romie L 46
#7 Economy J 45
#8 Mordue George S 44
#9 Kirchner Henry P 37
#10 Nicholson Kenneth C 33

Latest patents

Publication Filing date Title
WO9605052A1 Ceramic substrates and magnetic data storage components
US5541145A Low temperature sintering route for aluminum nitride ceramics
WO9520060A1 Silicon carbide sputtering target
US5521129A Sialon-bonded silicon carbide refractory
US5459112A Reaction-bonded silicon carbide refractory product
US5626943A Ultra-smooth ceramic substrates and magnetic data storage media prepared therefrom
WO9424425A1 Mounting mat for fragile structures such as catalytic converters
US5436042A Ceramic fiber-reinforced composite articles and their production
US5424261A Low temperature sintering route for aluminum nitride ceramics
US5419975A Inorganic ceramic paper, its method of manufacture and articles produced therefrom
US5395807A Process for making silicon carbide with controlled porosity
WO9324964A1 High porosity aluminum nitride separator
WO9325495A1 Porous silicon carbide
CA2134340A1 Thin film metallization and brazing of aluminum nitride
US5384188A Intumescent sheet
US5298470A Silicon carbide bodies having high toughness and fracture resistance and method of making same
US5311399A High power ceramic microelectronic package
US5190631A Process for forming transparent silicon carbide films
BR9201448A Filter and filter element for melted metal
CA2065214A1 Molten metal filter