Class 209/184 - Conveyor

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Apparatus and methods wherein conveying means are employed
No. of patents: 2
Last issue date: 04/03/1990

Number	Title	Issue Date
4913407	Precious metal recovery system A precious metal recovery system utilizing an amalgamation process which results in substantially complete recovery both of the precious metal sought and of the mercury utilized in the process. Mercury has undesirable health and environmental characterist...	04/03/1990
4379526	Ore mill and metal separating device A drum is supported for rotation between two shafts having gears thereon engaging a ring gear around the outer periphery of the drum. A crushing and milling cylinder is journalled for rotation upon a vertically adjustable shaft extending freely through th...	04/12/1983

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