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US1956607A
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Method of making building units
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US1877138A
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Process of bloating and annealing cellular blocks
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US1877147A
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Method of producing columns of bloated material
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US1882082A
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Method of producing alpha continuous slab of earthy material
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US1910433A
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Kiln for treating earthy materials
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US1877137A
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Method of progressively bloating earthy materials
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US1882046A
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Method of bloating and annealing blocks of earthy material
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US1877136A
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Process and product of reenforcing bloated building material
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US1864770A
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Method of producing cellular material
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US1903821A
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Process of promoting the bloating of earthy materials
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US1818101A
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Method of extruding a bloated clay product
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US1864769A
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Kiln for the manufacture of bloated clay products
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US1860739A
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Kiln for the production of cellular building material
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US1882052A
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Kiln for the manufacture of bloated clay products
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US1850221A
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Furnace mechanism and process for bloating clay
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US1843184A
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Building unit
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US1858499A
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Kiln for producing cellular blocks
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US1817022A
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Building wall of cellular blocks
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US1840609A
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Method of molding bloated cellular blocks
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US1845350A
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Process of producing cellular building material
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