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Hans Ehmann

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  • Frankfurt am Main, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Blind riveter with pneumatic rivet-core disposal
    • Patent number 4,281,531
    • Issue date Aug 4, 1981
    • GESIPA Blindniettechnik GmbH
    • Hans Ehmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pliers-type tool for setting blind-rivet nuts
    • Patent number 4,140,000
    • Issue date Feb 20, 1979
    • GESIPA Blindniettechnik GmbH
    • Hans Ehmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...