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Friedrich Klaas
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Aalen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Swing arm
Patent number
6,471,226
Issue date
Oct 29, 2002
Gesellshaft fur Innenhochdruckverfahren mbH & Co. KG
Friedrich Klaas
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Suspension arm arrangement
Patent number
6,149,198
Issue date
Nov 21, 2000
Friedrich Klaas
B60 - VEHICLES IN GENERAL
Information
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...