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Erich Bretschneider

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  • Meerbusch, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Skew rolling mill for reducing solid and hollow cross-sections
    • Patent number 4,395,895
    • Issue date Aug 2, 1983
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Erich Bretschneider
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill
    • Patent number 4,212,178
    • Issue date Jul 15, 1980
    • Schloemann-Siemag Aktiengesellschaft
    • Erich Bretschneider
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill
    • Patent number 4,210,011
    • Issue date Jul 1, 1980
    • Schloemann-Siemag Aktiengesellschaft
    • Erich Bretschneider
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...