Patents by Inventor Dennis P. Doweidt

Dennis P. Doweidt 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: 6273707
    Abstract: A stuffer device for supplying a substantially continuous stream of elastomeric feed stock in a fluid state to an inlet port of at least one injection molding machine is provided. The device comprises a feed stock advancing unit remote from an injection molding machine having a conduit associated therewith connecting the feed stock advancing unit to the inlet port of the injection molding machine and a controller for the feed stock advancing unit to provide a measured amount of feed stock to the inlet port commensurate with the needs of each injection cycle.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: August 14, 2001
    Inventors: Dennis P. Doweidt, Jo Doweidt
  • Patent number: 6059559
    Abstract: A stuffer device for supplying a substantially continuous stream of elastomeric feed stock in a fluid state to an inlet port of at least one injection molding machine is provided. The device comprises a feed stock advancing unit remote from an injection molding machine having a conduit associated therewith connecting the feed stock advancing unit to the inlet port of the injection molding machine and a controller for the feed stock advancing unit to provide a measured amount of feed stock to the inlet port commensurate with the needs of each injection cycle.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: May 9, 2000
    Inventors: Dennis P. Doweidt, Jo Doweidt