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Howard M. Fisher
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New Castle, PA, US
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last 30 patents
Information
Patent Grant
System for vessel exchange
Patent number
4,241,902
Issue date
Dec 30, 1980
Pennsylvania Engineering Corporation
Howard M. Fisher
C21 - METALLURGY OF IRON
Information
Patent Grant
Mobile hot metal mixer
Patent number
4,135,703
Issue date
Jan 23, 1979
Pennsylvania Engineering Corporation
Rashed N. Nagati
C21 - METALLURGY OF IRON
Information
Patent Grant
Metallurgical vessel suspension system
Patent number
4,121,811
Issue date
Oct 24, 1978
Pennsylvania Engineering Corporation
Howard M. Fisher
C21 - METALLURGY OF IRON
Information
Patent Grant
Cooling assembly for metallurgical vessels
Patent number
4,085,924
Issue date
Apr 25, 1978
Pennsylvania Engineering Corporation
Howard M. Fisher
C21 - METALLURGY OF IRON
Information
Patent Grant
Metallurgical vessel
Patent number
4,061,318
Issue date
Dec 6, 1977
Pennsylvania Engineering Corporation
Howard M. Fisher
C21 - METALLURGY OF IRON
Information
Patent Grant
Transformation of top-blown steel converter vessel to bottom-blown...
Patent number
4,055,335
Issue date
Oct 25, 1977
Pennsylvania Engineering Corporation
Howard M. Fisher
C21 - METALLURGY OF IRON
Information
Patent Grant
Concrete press with mold clamping means
Patent number
3,969,061
Issue date
Jul 13, 1976
Pennsylvania Engineering Corporation
Howard M. Fisher
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Bottom handling apparatus for steel converter vessels
Patent number
3,944,083
Issue date
Mar 16, 1976
Pennsylvania Engineering Corporation
Howard M. Fisher
C21 - METALLURGY OF IRON