-
Method and apparatus for melting metal
-
Patent number 8,741,213
-
Issue date Jun 3, 2014
-
Fives North American Combustion, Inc.
-
John R. Hugens
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
Method and apparatus for melting metal
-
Patent number 8,153,049
-
Issue date Apr 10, 2012
-
Fives North American Combustion, Inc.
-
John R. Hugens, Jr.
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
Method for obtaining pure copper
-
Patent number 7,625,423
-
Issue date Dec 1, 2009
-
Xstrata Technology Pty Ltd.
-
Hartwig Kaschub
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
-
-
3892559
-
Patent number 3,892,559
-
Issue date Jul 1, 1975
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
3701648
-
Patent number 3,701,648
-
Issue date Oct 31, 1972
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
3463472
-
Patent number 3,463,472
-
Issue date Aug 26, 1969
-
C21 - METALLURGY OF IRON
-
3326672
-
Patent number 3,326,672
-
Issue date Jun 20, 1967
-
C21 - METALLURGY OF IRON
-
3288451
-
Patent number 3,288,451
-
Issue date Nov 29, 1966
-
C21 - METALLURGY OF IRON
-
2298055
-
Patent number 2,298,055
-
Issue date Oct 6, 1942
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
2296434
-
Patent number 2,296,434
-
Issue date Sep 22, 1942
-
C21 - METALLURGY OF IRON
-
2265284
-
Patent number 2,265,284
-
Issue date Dec 9, 1941
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
2256481
-
Patent number 2,256,481
-
Issue date Sep 23, 1941
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...