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Erik B. van Perlstein
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Beverwijk, NL
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last 30 patents
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Patent Grant
Method and apparatus for continuous treatment of a strip of hot dip...
Patent number
5,628,842
Issue date
May 13, 1997
Centre de Recherches Metallurgiques-Centrum voor Research in de Metallurgie
Stephan Wilmotte
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for the manufacture of formable steel
Patent number
5,042,564
Issue date
Aug 27, 1991
Hoogovens Groep B.V.
Erik B. Van Perlstein
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for the manufacture of formable steel strip
Patent number
5,009,396
Issue date
Apr 23, 1991
Hoogovens Groep B.V.
Huibert den Hartog
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Non-ageing low-alloy hot-rolled strip-form formable steel
Patent number
4,985,090
Issue date
Jan 15, 1991
Hoogovens Groep B.V.
Erik B. Van Perlstein
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the manufacture of formable steel strip
Patent number
4,885,041
Issue date
Dec 5, 1989
Hoogovens, Groep B.V.
Huibert W. den Hartog
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...