Patents by Inventor Werner Fillmann

Werner Fillmann 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).

  • Molded composite polymeric body with anti-static properties and process for making same
    Patent number: 4542054
    Abstract: A body of polymeric material, comprising a core--e.g. of foam plastic--surrounded by a skin of greater density, includes a filler of metallic or other electrically conductive particles distributed throughout the core or at least in an intermediate layer separating an inner part of the core from the skin. The filler particles, preferably consisting of iron or aluminum, are injected together with all or part of the core material during the molding of the body.
    Type: Grant
    Filed: October 13, 1983
    Date of Patent: September 17, 1985
    Assignee: Battenfeld Maschinenfabrik GmbH
    Inventor: Werner Fillmann
  • Injection molding apparatus for manufacturing layered articles
    Patent number: 3972664
    Abstract: Method and apparatus for the intermittent manufacture of multi-layer shaped thermoplastic parts with a foamed core and an unfoamed shell, where at first a part of the unfoamed plastic and later a plastic that contains a foaming agent is injected simultaneously with additional unfoamed plastic into a mold through a central nozzle and a ring nozzle that surrounds it.
    Type: Grant
    Filed: August 19, 1974
    Date of Patent: August 3, 1976
    Assignee: Schloemann-Siemag Aktiengesellschaft
    Inventor: Werner Fillmann