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Patents Grants
last 30 patents
Information
Patent Grant
Fully universal rolling process for H or I-beam type metal sections
Patent number
4,637,241
Issue date
Jan 20, 1987
Sacilor
Jacques M. Michaux
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
System for replacing section rolling mill stands, multi-function st...
Patent number
4,615,201
Issue date
Oct 7, 1986
Sacilor
Jacques Michaux
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Forming process for metal rail blank
Patent number
4,615,200
Issue date
Oct 7, 1986
Sacilor
Jacques M. Michaux
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Shaped blanks, methods for their production and improvements to the...
Patent number
4,518,660
Issue date
May 21, 1985
Sacilor
Andre Faessel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...