CA12422A
(en )
1881-02-26
Process and apparatus for extracting metals from ores
CA12423A
(en )
1881-02-26
Apparatus for extrating metals from ores
CA12704A
(en )
1881-04-27
Process for treating copper ores containing precious metals
CA17412A
(en )
1883-08-04
Process for extracting precious metals from their ores
CA13728A
(en )
1881-11-20
Process and apparatus for smelting iron ores
CA18004A
(en )
1883-10-27
Process for extracting metals from their ores
CA13061A
(en )
1881-07-09
Process of, and apparatus for the teatment of ores
CA12845A
(en )
1881-05-19
Improvements on machines for separating precious metals form their ores
CA20739A
(en )
1884-12-15
Process and compound for extracting metals from ores and metallurgical products
CA13153A
(en )
1881-07-22
Process of, and apparatus for the treatment of ores
CA13152A
(en )
1881-07-21
Process of, and apparatus for the treatment of ores
CA20740A
(en )
1884-12-15
Process for extracting metals from ores and metallurgical products
CA12577A
(en )
1881-04-04
Improvements in the art of extracting copper from ore
CA10435A
(en )
1879-09-08
Process for extracting copper from its ores
CA10436A
(en )
1879-09-08
Process for extracting copper from its ores
CA17582A
(en )
1883-09-01
Process of and apparatus for extracting gold and silver from their ores
CA14251A
(en )
1882-02-24
Improvements in apparatus for separating and amalgamating gold and otherprecious metals
CA6302A
(en )
1876-07-11
Process and apparatus for amalgamating metals and machine for washing ores
CA18928A
(en )
1884-03-20
Process and apparatus for extracting metals from their ores and concentrating heavy materials
CA20741A
(en )
1884-12-15
Process for removing metals from ores and metallurgical products, and separating the base from the precious metals
CA42457A
(en )
1893-04-05
Process of and apparatus for extracting metals from ores
CA20622A
(en )
1884-11-25
Process asnd apparatus for separating gold and other metals from their ores by means of mercury
CA13375A
(en )
1881-09-04
Improvements on apparatus in dissolving and filtering and for effecting chemical reactions, in chemical and metallurgical processes
CA17713A
(en )
1883-09-22
Apparatus for amalgamating and separating ores by means of mercury
CA12007A
(en )
1880-11-23
Process for treating ores and reguluses