|
US1860937A
|
|
Continuous filter
|
|
US1716497A
|
|
Shock absorber
|
|
US1784372A
|
|
Cake-discharging means for pressure filters
|
|
US1761401A
|
|
Filter and means for controlling the pulp level therein
|
|
US1700772A
|
|
Filter-cake-discharging apparatus
|
|
US1602829A
|
|
Scraping device
|
|
US1494122A
|
|
Filter
|
|
US1575777A
|
|
Shock absorber
|
|
US1396514A
|
|
Process of clarifying solutions
|
|
US1332506A
|
|
Shock-absorber
|
|
US1338232A
|
|
Filtering-belt
|
|
US1301067A
|
|
Shock-absorber.
|
|
US1288433A
|
|
Continuous-pressure filtering process and apparatus.
|
|
US1266133A
|
|
Continuous rotary pressure-filter.
|
|
US1221553A
|
|
Process of refining sugar liquor.
|
|
US1221554A
|
|
Process of refining sugar liquor.
|
|
US1137874A
|
|
Process of leaching ores.
|
|
US1105363A
|
|
Mine-car lubrication.
|
|
US981098A
|
|
Agitator.
|
|
US642824A
|
|
Coffee-roaster.
|
