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OGLEBAY NORTON CO

Overview
  • Total Patents
    145
About

OGLEBAY NORTON CO has a total of 145 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machines and environmental technology are MILLS STEPHEN DAVID, ALLPER AG and VESUVIUS INT CORP.

Patent filings in countries

World map showing OGLEBAY NORTON COs patent filings in countries

Patent filings per year

Chart showing OGLEBAY NORTON COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Anthony Benjamin F 20
#2 Charman Walter M Jr 15
#3 Carpenter Joel C 10
#4 Anthony Benjamin Franklin 6
#5 Urmetz Walter W 6
#6 Middaugh George J Jr 5
#7 Barker Bruce J 5
#8 Mueller John W 4
#9 Miller Charman Jun Walter 4
#10 Wynne Ira H 4

Latest patents

Publication Filing date Title
AU4269197A Basic tundish flux composition for steelmaking processes
US5397379A Process and additive for the ladle refining of steel
US3804701A Insulating compositions and structures formed therefrom for use in hot topping comprising fibrous wollastonite
US3856258A X-shaped hot top corner wedge
US3669449A Method and apparatus for forming refractory panels
US3602287A Apparatus for forming a member from a slurry of material
US3697631A Method and apparatus for forming a member from an excess slurry of refractory material
US3468368A Hot tops
US3478999A Refractory panel unit with hinge means and frangible portions
US3436883A Insulation panel and fastener assembly
US3477493A Method of making a refractory hot top panel insert
US3415483A Hot top structure
GB1183251A Continuous Casting Apparatus with Mold Oscillating Means
US3527395A Explosively actuated fastening tool
US3372524A Insulation panel and fastener assembly and method
US3433452A Hot top panel insert unit
US3467168A Continuous casting apparatus and method including mold lubrication,heat transfer,and vibration
US3331311A Method for determining sound focus for mining blast
US3391896A Hot top structure
ES317614A1 Improvements introduced in the manufacture of sticker structures. (Machine-translation by Google Translate, not legally binding)