Patents by Inventor Stephen R. Dahl

Stephen R. Dahl 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: 7879377
    Abstract: Pet food products and methods of manufacture are provided, the pet food product comprising a helical body having a first material formed to include an outer surface, and a second material having a striping portion deposited on the outer surface of the first material and positioned to lie along a length of the first material, the pet food product optionally having a stuffing portion positioned within a cavity in the first material. Illustratively, the second material has a composition that provides lubrication during an extrusion process to manufacture the food product.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: February 1, 2011
    Assignee: Nestec, Ltd.
    Inventors: Stephen R. Dahl, Donald R. Speck
  • Publication number: 20100047401
    Abstract: A method for forming a pet food product includes supplying a basal formula to a feed section of an extruding system, passing the basal formula through the extruding system, supplying a particulate dough to the basal formula downstream of a compression section of the extruding system, mixing the basal formula and the particulate dough to form a pet food product, and forming the pet food product into discreet pieces. The formed pet food product includes an extruded basal portion and a granular portion mixed throughout the extruded basal portion.
    Type: Application
    Filed: November 2, 2009
    Publication date: February 25, 2010
    Applicant: Nestec Ltd.
    Inventors: Donald R. Speck, Stephen R. Dahl
  • Publication number: 20030228400
    Abstract: Pet food products and methods of manufacture are provided, the pet food product comprising a helical body having a first material formed to include an outer surface, and a second material having a striping portion deposited on the outer surface of the first material and positioned to lie along a length of the first material, the pet food product optionally having a stuffing portion positioned within a cavity in the first material. Illustratively, the second material has a composition that provides lubrication during an extrusion process to manufacture the food product.
    Type: Application
    Filed: May 9, 2003
    Publication date: December 11, 2003
    Inventors: Stephen R. Dahl, Donald R. Speck
  • Publication number: 20020119241
    Abstract: A method for forming a pet food product includes supplying a basal formula to a feed section of an extruding system, passing the basal formula through the extruding system, supplying a particulate dough to the basal formula downstream of a compression section of the extruding system, mixing the basal formula and the particulate dough to form a pet food product, and forming the pet food product into discreet pieces. The formed pet food product includes an extruded basal portion and a granular portion mixed throughout the extruded basal portion.
    Type: Application
    Filed: February 28, 2001
    Publication date: August 29, 2002
    Inventors: Donald R. Speck, Stephen R. Dahl
  • Patent number: D527164
    Type: Grant
    Filed: January 5, 2005
    Date of Patent: August 29, 2006
    Assignee: Societe des Produits Nestle S.A.
    Inventors: Donald R. Speck, Stephen R. Dahl
  • Patent number: D478705
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: August 26, 2003
    Assignee: Societe des Produits Nestle S.A.
    Inventors: Stephen R. Dahl, Donald R. Speck
  • Patent number: D494735
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: August 24, 2004
    Assignee: Nestec S.A.
    Inventors: Stephen R. Dahl, Donald R. Speck, Daryl Klas