CA20740A
(en )
1884-12-15
Process for extracting metals from ores and metallurgical products
CA20739A
(en )
1884-12-15
Process and compound for extracting metals from ores and metallurgical products
CA20741A
(en )
1884-12-15
Process for removing metals from ores and metallurgical products, and separating the base from the precious metals
CA18928A
(en )
1884-03-20
Process and apparatus for extracting metals from their ores and concentrating heavy materials
CA18925A
(en )
1884-03-20
Apparatus for treating ores chiefly for the extraction of precious metals therefrom
CA19023A
(en )
1884-04-02
Furnace for reducing ores and metals
CA12422A
(en )
1881-02-26
Process and apparatus for extracting metals from ores
CA17412A
(en )
1883-08-04
Process for extracting precious metals from their ores
CA18004A
(en )
1883-10-27
Process for extracting metals from their ores
CA19573A
(en )
1884-06-14
Apparatus for amalgamating and otherwise treating ores
CA18625A
(en )
1884-02-07
Apparatus for amalgamating gold and other metals and separating the samefrom their ores by means of mercury
CA20622A
(en )
1884-11-25
Process asnd apparatus for separating gold and other metals from their ores by means of mercury
CA19656A
(en )
1884-06-26
Ore amalgamator
CA18381A
(en )
1884-01-03
Process for extracting the oxides of cobalt and manganese from their ores
CA31158A
(en )
1889-04-16
Process for extracting gold, silver and other metals from refractory ores, sands and residues
CA20647A
(en )
1884-11-28
Treatment of ores containing precious metals
CA60430A
(en )
1898-06-23
Method of and apparatus for extracting metals from their ores
CA10947A
(en )
1880-01-21
Furnace for extracting metals from their ores
CA12704A
(en )
1881-04-27
Process for treating copper ores containing precious metals
CA55405A
(en )
1897-03-25
Process of treating ores or metallurgical products
CA29643A
(en )
1888-08-07
Extraction of metals from refractory, complex and other ores
CA18985A
(en )
1884-04-01
Apparatus for deoxidizing iron ores
CA20458A
(en )
1884-11-03
Machanism and process for concentrating ore
CA12423A
(en )
1881-02-26
Apparatus for extrating metals from ores
CA18430A
(en )
1884-01-15
Ore roasting furnace