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US1172321A
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Process for recovering zinc from zinkiferous materials.
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US1189313A
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Process of treating metalliferous materials for roasting, reducing, sintering, and like purposes.
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GB191322519A
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Process for Recovering Zinc from Zinciferous Materials.
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GB191310376A
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Process for the Recovery of Zinc Oxide from Zinciferous Materials, especially Slags.
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GB191305438A
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Process and Apparatus for Recovering Zinc from Slags, Ores, and other Zinciferous Materials.
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GB191303672A
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Process and Apparatus for the Gasification of Fuels containing Volatile Constituents.
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GB191303035A
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Process for the Gasification of Fuels, especially those of a Fine-grained Nature.
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GB191301701A
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An Improved Process and Apparatus for the Condensation of Vapours of Volatile Metals, especially of Zinc Vapour.
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GB191301616A
|
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Process and Apparatus for the Condensation of Vapours of Volatile Metals, especially of Zinc Vapour.
|
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GB190919764A
|
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Process and Apparatus for the Production of Metals.
|
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GB190608648A
|
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Process for the Production of Spongy Iron.
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GB190515375A
|
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Process for Dissolving Solid Fluxes in Fluid Slag.
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US822087A
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Process for dissolving solid fluxes in fluid slag.
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US812619A
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Method of preserving the inner walls of furnaces.
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GB190508555A
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Improvements in Shaft Furnaces for Smelting, Cement Burning, and other purposes.
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GB190311324A
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Improved Manufacture of Portland Cement
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CA76924A
|
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Oxygen gas production
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GB190110632A
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Improvements in or relating to the Manufacture or Production of Oxygen-gas.
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CA206167A
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Apparatus for the gasification of fuels
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CA210165A
|
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Process of recovering zinc from slag
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