Karl-Heinz Kemmerling

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Moenchengladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for threading elongated metal workpieces, especi...
- Patent number 5,855,136
- Issue date Jan 5, 1999
- Mannesmann Aktiengesellschaft
- Karl-Heinz Hausler
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for automatically reducing the drawing speed of a tubular ma...
- Patent number 5,014,531
- Issue date May 14, 1991
- Mannesmann Aktiengesellschaft
- Karl-Heinz Kemmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Jacketing steel pipes by means of wrapping a ribbon helically aroun...
- Patent number 4,259,137
- Issue date Mar 31, 1981
- Mannesmann Aktiengesellschaft
- Karl-Heinz Kemmerling
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL