|
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Sluice gate
|
|
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|
Ring type roller press
|
|
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|
|
Rotary drum
|
|
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|
|
Vibrating screen
|
|
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|
|
Disk roller classifying grate for coal
|
|
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|
|
Process of producing wrought iron
|
|
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|
|
Jaw breaker
|
|
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|
|
Treating ferriferous ores
|
|
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Crusher
|
|
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|
|
Sluice weir
|
|
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|
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Scraper for classifying grates
|
|
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|
|
Sluice gate
|
|
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|
|
Apparatus for the fractional condensation of metal vapors in a condenser rotating about a horizontal axis
|
|
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|
|
Apparatus for the continuous extraction of material
|
|
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|
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Rotary furnace
|
|
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|
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Roller weir
|
|
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|
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Process for the distillation of zinc and similar metals
|
|
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Process for sintering fine ores or the like
|
|
US1985171A
|
|
Distillation of metals
|
|
US1968960A
|
|
Heat treatment of manganese hard steel objects
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