Patents by Inventor Steven Fred Dopp

Steven Fred Dopp 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).

  • Publication number: 20040256419
    Abstract: An apparatus for removing air from finely divided particulate material comprises a housing including a vent; an inlet to the housing; an outlet from the housing; a helix, rotatably mounted in the housing, the helix being adapted upon rotation to feed a particulate material from the inlet to the outlet; a motor mounted to the helix for the purpose of rotating the helix; and a compression assembly mounted to the outlet for compressing the particulate material passing through the outlet.
    Type: Application
    Filed: June 28, 2004
    Publication date: December 23, 2004
    Inventors: Steven Fred Dopp, Susan Jane Gelderbloom, Jary David Jensen
  • Patent number: 6779692
    Abstract: An apparatus for removing air from finely divided particulate material comprises a housing including a vent; an inlet to the housing; an outlet from the housing; a helix, rotatably mounted in the housing, the helix being adapted upon rotation to feed a particulate material from the inlet to the outlet; a motor mounted to the helix for the purpose of rotating the helix; and a compression assembly mounted to the outlet for compressing the particulate material passing through the outlet.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: August 24, 2004
    Assignee: Dow Corning Corporation
    Inventors: Steven Fred Dopp, Susan Jane Gelderbloom, Jary David Jensen
  • Publication number: 20030062389
    Abstract: An apparatus for removing air from finely divided particulate material comprises a housing including a vent; an inlet to the housing; an outlet from the housing; a helix, rotatably mounted in the housing, the helix being adapted upon rotation to feed a particulate material from the inlet to the outlet; a motor mounted to the helix for the purpose of rotating the helix; and a compression assembly mounted to the outlet for compressing the particulate material passing through the outlet.
    Type: Application
    Filed: February 20, 2002
    Publication date: April 3, 2003
    Inventors: Steven Fred Dopp, Susan Jane Gelderbloom, Jary David Jensen