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Rainer Hansen
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Paderborn, DE
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last 30 patents
Information
Patent Grant
Method of deforming an initial pipe having a circular cross-section...
Patent number
6,119,501
Issue date
Sep 19, 2000
Benteler AG
Rainer Hansen
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of fabricating a double walled pipe elbow
Patent number
5,189,790
Issue date
Mar 2, 1993
Benteler Aktiengesellschaft
Wolfgang Streubel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of and apparatus for hydraulically deforming a pipe-shaped h...
Patent number
5,107,693
Issue date
Apr 28, 1992
Benteler Aktiengesellschaft
Egon Olszewski
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Safety steering column assembly for automobiles
Patent number
4,325,268
Issue date
Apr 20, 1982
Benteler-Werke AG
Hubertus Benteler
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus for producing a corrugated tube
Patent number
4,319,471
Issue date
Mar 16, 1982
Benteler-Werke AG
Hubertus Benteler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for producing a tube with successive corrugations of diff...
Patent number
4,267,718
Issue date
May 19, 1981
Benteler-Werke AG
Hubertus Benteler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for producing a tube with successive corrugations
Patent number
4,237,713
Issue date
Dec 9, 1980
Benteler-Werke AG
Hubertus Benteler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...