TREA

David Helenius

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  • Leominster, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsing core part retainer sleeve
    • Patent number 9,011,138
    • Issue date Apr 21, 2015
    • Progressive Components International Corporation
    • Alan Patrick Hickok
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Expandable cavity for injection molding tool
    • Patent number 8,038,433
    • Issue date Oct 18, 2011
    • Progressive Components International Corporation
    • James W. Cullison
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Lock for core assembly for injection molding tool
    • Patent number 8,033,810
    • Issue date Oct 11, 2011
    • Progressive Components International Corporation
    • David Helenius
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    COLLAPSING CORE PART RETAINER SLEEVE
    • Publication number 20120235325
    • Publication date Sep 20, 2012
    • Progressive Components International Corporation
    • ALAN PATRICK HICKOK
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Lock for core assembly for injection molding tool
    • Publication number 20100323051
    • Publication date Dec 23, 2010
    • David Helenius
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Expandable cavity for injection molding tool
    • Publication number 20100221380
    • Publication date Sep 2, 2010
    • Progressive Components International Corporation
    • James W. Cullison
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL