Patents by Inventor Peter Willfort

Peter Willfort 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).

  • Patent number: 6662857
    Abstract: A mold has outer mold parts and inserted molding material cores. Together, the parts and cores form a mold cavity. The inner cores of molding material are arranged in several layers one above the other. The inner cores are clamped in between the outer mold parts and a final covering core of mold material. A continuous clamping force is applied between the parts and cores. The mold cavity is formed by surfaces of the outer mold, surfaces of the inner cores and the covering core.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: December 16, 2003
    Assignee: VAW mandl & berger GmbH
    Inventors: Peter Willfort, Horst Bohn
  • Publication number: 20020134525
    Abstract: A mold has outer mold parts and inserted molding material cores. Together, the parts and cores form a mold cavity. The inner cores of molding material are arranged in several layers one above the other. The inner cores are clamped in between the outer mold parts and a final covering core of mold material. A continuous clamping force is applied between the parts and cores. The mold cavity is formed by surfaces of the outer mold, surfaces of the inner cores and the covering core.
    Type: Application
    Filed: April 19, 2001
    Publication date: September 26, 2002
    Inventors: Peter Willfort, Horst Bohn