CA28212A
(en )
1887-12-20
Means and apparatus for the separation of gold and other metals from their ores
CA20622A
(en )
1884-11-25
Process asnd apparatus for separating gold and other metals from their ores by means of mercury
CA18625A
(en )
1884-02-07
Apparatus for amalgamating gold and other metals and separating the samefrom their ores by means of mercury
CA34623A
(en )
1890-07-05
Process of separating ores
CA17412A
(en )
1883-08-04
Process for extracting precious metals from their ores
CA26474A
(en )
1887-04-19
Furnace for precious metals
CA61861A
(en )
1898-11-26
Method od separating precious metals from their ores
CA18004A
(en )
1883-10-27
Process for extracting metals from their ores
CA37428A
(en )
1891-09-18
Process of treating auriferous sulphurets
CA18928A
(en )
1884-03-20
Process and apparatus for extracting metals from their ores and concentrating heavy materials
CA25078A
(en )
1886-10-05
Process of recovering tin from scraps of tin plates
CA18432A
(en )
1884-01-15
Method of recovering metals
CA18925A
(en )
1884-03-20
Apparatus for treating ores chiefly for the extraction of precious metals therefrom
CA26292A
(en )
1887-03-21
Process and apparatus for obtaining spelter and other products by the treatment of zinc ores
CA28153A
(en )
1887-12-09
Process of treating and desilverizing copper matte
CA31522A
(en )
1889-06-07
Bath or solution for use in separating metals from their ores and process of making the same
CA75068A
(en )
1902-03-11
Process of recovering and separating metals from their ores and concentrates thereof
CA40329A
(en )
1892-09-14
Process for the extraction of metals from ores and minerals
CA32188A
(en )
1889-09-02
Process of reducing zinc ores
CA20741A
(en )
1884-12-15
Process for removing metals from ores and metallurgical products, and separating the base from the precious metals
CA19656A
(en )
1884-06-26
Ore amalgamator
CA36848A
(en )
1891-06-18
Apparatus for separating metals from ores
CA17713A
(en )
1883-09-22
Apparatus for amalgamating and separating ores by means of mercury
CA28208A
(en )
1887-12-20
Process of obtaining alloys of aluminium with certain other metals
CA69188A
(en )
1900-10-30
Process of extracting precious metals