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Tarek El Gammal
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Aachen, DE
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last 30 patents
Information
Patent Grant
Process and device for producing thin metal bars
Patent number
6,153,028
Issue date
Nov 28, 2000
Mannesmann AG
Fritz-Peter Pleschiutschnigg
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process and device for producing metallic composite materials
Patent number
6,095,232
Issue date
Aug 1, 2000
Mannesmann Aktiengesellschaft
Tarek El Gammal
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Floor lead-through element for an inversion casting vessel
Patent number
5,992,501
Issue date
Nov 30, 1999
Mannesmann Aktiengesellschaft
Tarek El Gammal
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Device for making semi-finished products
Patent number
5,881,441
Issue date
Mar 16, 1999
Mannesmann Aktiengesellschaft
Fritz P. Pleschiutschnigg
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for making semi-finished products
Patent number
5,722,151
Issue date
Mar 3, 1998
Mannesmann Aktiengesellschaft
Fritz P. Pleschiutschnigg
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Heat-insulating articles
Patent number
4,240,496
Issue date
Dec 23, 1980
Foseco Trading A.G.
Tarek El Gammal
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Treatment agents for molten metals
Patent number
4,199,351
Issue date
Apr 22, 1980
Foseco Trading A.G.
Tarek El Gammal
C21 - METALLURGY OF IRON