CA18928A
(en )
1884-03-20
Process and apparatus for extracting metals from their ores and concentrating heavy materials
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
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
CA19573A
(en )
1884-06-14
Apparatus for amalgamating and otherwise treating ores
CA18925A
(en )
1884-03-20
Apparatus for treating ores chiefly for the extraction of precious metals therefrom
CA20458A
(en )
1884-11-03
Machanism and process for concentrating ore
CA28212A
(en )
1887-12-20
Means and apparatus for the separation of gold and other metals from their ores
CA18004A
(en )
1883-10-27
Process for extracting metals from their ores
CA28005A
(en )
1887-11-12
Process of separating metals from their ores
CA64044A
(en )
1899-09-29
Process and apparatus for separating precious metals from ores
CA12422A
(en )
1881-02-26
Process and apparatus for extracting metals from ores
CA60430A
(en )
1898-06-23
Method of and apparatus for extracting metals from their ores
CA17412A
(en )
1883-08-04
Process for extracting precious metals from their ores
CA30467A
(en )
1888-12-24
Process and device for refining metallic ores
CA20895A
(en )
1885-01-19
Process and apparatus for treating metalliferous ores
CA58601A
(en )
1898-01-07
Apparatus for leaching ores
CA18985A
(en )
1884-04-01
Apparatus for deoxidizing iron ores
CA19144A
(en )
1884-04-22
Apparatus for the extraction of gold and the concentration of gold bearing material, such as pyrites, from finely divided auriferous material
CA52294A
(en )
1896-05-16
Process of and apparatus for extracting gold from ore
CA18214A
(en )
1883-11-29
Process and apparatus for the reduction of iron ore
CA61001A
(en )
1898-08-23
Ore treating apparatus
CA37444A
(en )
1891-09-22
Process and apparatus for separating ores