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Helmut Bogel
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Aalen, DE
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last 30 patents
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Patent Grant
One-piece hollow camshafts and process for producing same
Patent number
5,960,660
Issue date
Oct 5, 1999
Cosma International Inc.
Friedrich Klaas
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
One-piece hollow camshafts and process for producing same
Patent number
5,850,695
Issue date
Dec 22, 1998
Cosma International Inc.
Friedrich Klaas
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for internal high-pressure deforming of hollow offset shafts...
Patent number
5,802,899
Issue date
Sep 8, 1998
Friedrich Klaas
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Framework with hollow members process for producing the same and it...
Patent number
5,794,398
Issue date
Aug 18, 1998
Klaus Kaehler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hollowshaft and method for the production thereof
Patent number
5,259,268
Issue date
Nov 9, 1993
Gesenkschmiede Schneider GmbH
Alfred Ebbinghaus
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for the production of flanges or collars on hollow parts by...
Patent number
4,782,679
Issue date
Nov 8, 1988
Gesenkschmiede Schneider GmbH
Helmut Bogel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...