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GB632093A
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Improvements in or relating to the method of producing ceramic coating or refractory material
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US2544060A
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Ceramic coatings and method of applying
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US2527044A
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Surface-coated abrasive grain
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US2422215A
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Method of vitreous coating refractory material
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US2226503A
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Multideck screen
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US2065460A
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Magnetic separation
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US1970529A
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Turbulent radiant combustion chamber
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US1966407A
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Corundum product and process of producing the same
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US1966408A
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Bonded article and method of bonding the same
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GB392532A
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Improvements in magnetic separators for minerals and the like
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US1929187A
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Water and air cooled electromagnet
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US1750468A
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Method of and apparatus for treating refractory material
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US1978884A
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Method of reclaiming aluminous oxide grains or the like
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US1836252A
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Magnetic separator
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US1966406A
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Euhedral corundum crystal
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US1868451A
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Protective refractory glaze and method of applying the same to refractory bodies containing silicon-carbide
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US1781204A
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Moldable product and method of producing the same
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US1703065A
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Separation of refractory materials
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US1702942A
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Method, apparatus, and product of treating refractory material
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US1750174A
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Recovery of bonded materials
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