TREA

Konrad Hamraths

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  • Kaarst, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling mill stand
    • Patent number 5,787,749
    • Issue date Aug 4, 1998
    • SMS Schloemann-Siemag AG
    • Hans-Jurgen Reismann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Horizontal/vertical roll stand
    • Patent number 5,613,392
    • Issue date Mar 25, 1997
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Hubert Muller
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll stand
    • Patent number 5,590,557
    • Issue date Jan 7, 1997
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Karl Keller
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Combined light-section mill and wire mill
    • Patent number 5,144,828
    • Issue date Sep 8, 1992
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Johann Grotepass
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...