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US3228690A
|
|
Bounce-flip chance indicating device
|
|
US2442991A
|
|
Nozzle for using pressure under liquids
|
|
US1447610A
|
|
Classifier and dewaterer
|
|
US1443607A
|
|
Launder
|
|
US1408155A
|
|
Closed grinding circuit
|
|
US1374135A
|
|
Automatic separator and evaporator
|
|
US1408154A
|
|
Settling and thickening device
|
|
US1374626A
|
|
Automatic sand-trap
|
|
US1374134A
|
|
Thickener
|
|
US1406323A
|
|
Settling tank
|
|
US1355071A
|
|
Thickener and means for removing settled solids therefrom
|
|
US1344370A
|
|
Automatic density-indicator for slime-pulp separators
|
|
US1410152A
|
|
Hydraulic classifier
|
|
US1429480A
|
|
Ore classifier
|
|
US1339684A
|
|
Slime-pulp thickener
|
|
US1374625A
|
|
Feed-spout barrier
|
|
US1472317A
|
|
Slime-pulp thickener
|
|
US1355070A
|
|
Overflow separating device
|
|
US1339683A
|
|
Upward-current separating process and device
|
|
US1339682A
|
|
Settling-basin separating device
|
