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GB324392A
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A method of and apparatus for conveying materials in bulk by means of compressed air
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US1733302A
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Blowing-out nozzle for conveying plants operated with compressed air
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US1719979A
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Crushing machine for hard materials
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US1741973A
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Process of making fused cement
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US1717564A
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Apparatus for weighing continuously-moving granular material
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US1675717A
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Drying apparatus for rotary kilns
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US1788839A
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Cooling apparatus for rotary kilns
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GB286122A
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Improvements in the manufacture of aluminous cement
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GB281528A
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Improvements in and relating to tube and drum mills
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US1640528A
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Regulating discharge from containers
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US1762982A
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Apparatus for burning coal dust
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US1677182A
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Method of manufacturing cements rich in alumina
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GB234302A
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Improvements in the manufacture of artificial stone
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DE412400C
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Method of making stones from slag of any type
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DE412398C
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Method of making stones from slag of all kinds
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DE412395C
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Process for the production of moldings from molten material of all kinds
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GB233764A
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Process for burning raw cement sludge and the like
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DE398048C
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Method and device for dewatering of Glauber's salt u. like
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GB157318A
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Improved process of and apparatus for low temperature carbonisation of materials
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GB178126A
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Improved process of and apparatus for low temperature carbonisation of materials
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