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Heinrich Steinbrecher
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Meerbusch, DE
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last 30 patents
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Patent Grant
Mandrel rod holding device
Patent number
4,724,697
Issue date
Feb 16, 1988
Mannesmann AG
Manfred Hien
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Adjusting the rolls in a rolling mill with obliquely oriented, coni...
Patent number
4,574,606
Issue date
Mar 11, 1986
Mannesmann AG
Karl H. Hauesler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for manufacturing tubes by continuous hot rolling
Patent number
4,275,578
Issue date
Jun 30, 1981
Wean United, Inc.
Heinrich Steinbrecher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for producing thin tubes in a skew-rolling mill
Patent number
4,242,894
Issue date
Jan 6, 1981
Wean United, Inc.
Walter von Dorp
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...