Patents by Inventor Michael K. Zuraw

Michael K. Zuraw has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cooling circuit for cooling neck ring of preforms
    Patent number: 7234930
    Abstract: A cooling circuit for a neck ring of a preform is conformed to the surface of the neck ring by providing a neck ring in two parts. The first part supports the neck ring and provides strength and durability to the neck ring insert. The second part is formed of porous steel impregnated with highly thermally conductive metal and includes a cooling channel that provides substantially uniform cooling around the neck ring of the preform.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: June 26, 2007
    Assignee: Husky Injection Molding Systems Ltd.
    Inventors: Joachim Johannes Niewels, Michael K. Zuraw, Guoming Li