Patents by Inventor David P. Alexander

David P. Alexander 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: 7575771
    Abstract: The invention involves a method for the recover of commercial slaughter waste streams for use in the manufacture of commercial pet food products, wherein waste materials are collected following the commercial slaughter of animals, the greater part of those materials being size reduced as necessary and heated, whereupon a proteinaceous fraction, lipidaceous fraction, and aqueous fraction are formed and substantially separated from one another and wherein each of said fractions are subsequently used in the production of commercial pet foods or components thereof.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: August 18, 2009
    Assignee: Mars Incorporated
    Inventors: Rachel Ciantar, David P. Alexander, Ian W. Thomas
  • Publication number: 20040265470
    Abstract: Disclosed is a method for the recovery of commercial slaughter waste streams for use in the manufacture of commercial pet food products, wherein; waste materials are collected following the commercial slaughter of animals selected from the group consisting of bovine mammals, ovine mammals, porcine mammals, poultry and fish; the greater part of those materials are size-reduced as necessary; then heated; whereupon the proteinaceous fraction, lipidaceous fraction and aqueous fraction are substantially separated from one another; and wherein each of the proteinaceous fraction, lipidaceous fraction and aqueous fraction are subsequently used in the production of commercial pet foods or components thereof.
    Type: Application
    Filed: July 21, 2004
    Publication date: December 30, 2004
    Inventors: Rachel Ciantar, David P. Alexander, Ian W. Thomas
  • Patent number: 6742837
    Abstract: Car sear system including a car seat assembly having a horizontal seat portion with a front edge and a rear edge and a vertical back portion with a top edge and a bottom edge. A sheet assembly includes a front sheet portion positionable above the front edge of the seat portion and side sheet portions positionable above the side edges of the seat portion. A tube assembly includes at least one vertical tube with the sheeting assembly coupled thereto. The tube is positionable adjacent to the seat portion. A securement assembly couples the sheeting assembly and tube in position with respect to the seat portion.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: June 1, 2004
    Inventor: David P. Alexander
  • Patent number: 6318611
    Abstract: A car seat netting system has a pair of front posts each having a lower tube with an upper tube adjustably positioned about the lower tube. The tubes are positionable adjacent the front left corner and front right corner of the front right passenger seat of a vehicle. The left side edge of a front screen is secured to the upper left tube and the right edge is secured to the upper right tube. The front edge of a right screen is permanently secured to the upper right tube. The upper, front and rear edges of a left screen have an aligned row of snaps. A supplemental border in an inverted U-shaped configuration has a front edge permanently secured to the front left tube and a free top edge and rear edge with a plurality of aligned spaced snaps adapted to removably couple with the snaps of the left screen and a supplemental row of aligned snaps along the rear edge of the supplemental border. A plurality of straps have right ends permanently secured to the rear edge of the right screen.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: November 20, 2001
    Inventor: David P. Alexander