|
US1771807A
|
|
Transmission device
|
|
US1771806A
|
|
Transmission
|
|
US1719123A
|
|
Impeller for vibrators for crushers, etc.
|
|
US1719122A
|
|
Impeller for vibrators
|
|
US1645613A
|
|
Vibrating screen
|
|
US1557307A
|
|
Crusher
|
|
US1556797A
|
|
Crusher
|
|
US1459847A
|
|
Differential vibrator
|
|
US1459848A
|
|
Percussion drill and the like
|
|
US1459845A
|
|
Screening machine and screen cloth therefor
|
|
US1459846A
|
|
Vibrating screen
|
|
US1459843A
|
|
Vibrating screen
|
|
US1459842A
|
|
Screening machine and screen cloth therefor
|
|
US1459841A
|
|
Vibrator for screening machines, etc.
|
|
US1354676A
|
|
Drag-classifier
|
|
US1370700A
|
|
Ore-grinding mill
|
|
US1370699A
|
|
Sectional-lining construction for mills
|
|
US1282914A
|
|
Grating for ball-mills and method of making same.
|
|
CA269919A
|
|
Crusher
|
|
CA312971A
|
|
Power transmission device
|
