TREA

Manfred Riffelmann

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  • Moers, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of operating a section straightening machine
    • Patent number 7,159,431
    • Issue date Jan 9, 2007
    • SMS Demag Aktiengesellschaft
    • Hans Georg Hartung
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Section straightening machine
    • Patent number 6,843,091
    • Issue date Jan 18, 2005
    • SMS Demag Aktiengesellschaft
    • Hans Georg Hartung
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and machine for straightening sections
    • Patent number 6,266,989
    • Issue date Jul 31, 2001
    • SMS Demag AG
    • Siegfried Pohl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method of operating a section straightening machine
    • Publication number 20050056068
    • Publication date Mar 17, 2005
    • Hans Georg Hartung
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Section straightening machine
    • Publication number 20030172703
    • Publication date Sep 18, 2003
    • Hans Georg Hartung
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...