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John W. Kreiger
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Bethlehem, PA, US
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last 30 patents
Information
Patent Grant
Method for preparing dry collected fume for use in metallurgical fu...
Patent number
RE30488
Issue date
Jan 20, 1981
Bethlehem Steel Corporation
John W. Kreiger
075 - Specialized metallurgical processes, compositions for use therein, cons...
Information
Patent Grant
Method for treating granulated blast furnace slag
Patent number
4,242,142
Issue date
Dec 30, 1980
Bethlehem Steel Corporation
Kenneth H. Gee
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and apparatus for making dual compartment containers
Patent number
4,127,976
Issue date
Dec 5, 1978
Atlas Powder Company
Charles E. Jablonski
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Green balls formed by agglomerating wet-collected fume produced in...
Patent number
4,113,481
Issue date
Sep 12, 1978
Bethlehem Steel Corporation
John W. Kreiger
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for agglomerating wet-collected fume for use in metallurgica...
Patent number
4,004,916
Issue date
Jan 25, 1977
Bethlehem Steel Corporation
John W. Kreiger
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for preparing dry-collected fume for use in metallurgical fu...
Patent number
4,003,736
Issue date
Jan 18, 1977
Bethlehem Steel Corporation
John W. Kreiger
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...