Josef Worringer

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Kempen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a shaft from a piece of tubing, apparatus for m...
- Patent number 6,442,987
- Issue date Sep 3, 2002
- Josef Worringer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Clad tubular product and method of manufacturing same
- Patent number 5,988,484
- Issue date Nov 23, 1999
- Donald Osborn
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for the manufacture of cladded metal pipes
- Patent number 5,940,951
- Issue date Aug 24, 1999
- International Extruded Products, LLC
- Wolfgang Schulz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR