Karl H. Margraf

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Langenfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Positioning of edge rolls
- Patent number 4,803,862
- Issue date Feb 14, 1989
- Mannesmann AG
- Dieter Schulze
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fastening a hydraulic drive in roll stands
- Patent number 4,748,840
- Issue date Jun 7, 1988
- Mannesmann AG
- Dieter Schulze
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Foundry ladle support device having guides for ladle placement
- Patent number 4,199,084
- Issue date Apr 22, 1980
- Sack GmbH
- Karl H. Margraf
- B22 - CASTING POWDER METALLURGY