TREA

Walter Johann Karlberger

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  • Smedjebacken, SW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for twisting and guiding stock into roll grooves
    • Patent number 4,084,421
    • Issue date Apr 18, 1978
    • Morgardshammar Aktiebolag
    • Walter Johann Karlberger
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device intended for controlled cooling or wire, especially steel wire
    • Patent number 4,084,797
    • Issue date Apr 18, 1978
    • Morgardshammar Aktiebolag
    • Walter Johann Karlberger
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rod cooling and coiling system
    • Patent number 4,024,745
    • Issue date May 24, 1977
    • Morgardshammar Aktiebolag
    • Walter Johann Karlberger
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for braking rolled stock
    • Patent number 3,972,402
    • Issue date Aug 3, 1976
    • Morgardshammar Aktiebolag
    • Walter Johann Karlberger
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...