Patents by Inventor David T. Huff

David T. Huff 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).

  • Trays and apparatus and method for removing cartons from trays
    Patent number: 9169083
    Abstract: A system includes trays of a plurality of different widths and an unloading system for unloading cartons from the trays. The trays (20; 20?; 20?) each comprise a base (22) and a pair of end walls (30) extending upward from the base. The unloading system (200; 200?) comprises a plurality of fingers (202A-202I). Each of the end walls comprise a plurality of vertical slots (40) open to an upper edge of the end wall. The fingers are positioned and dimensioned to pass through the slots of the trays as the trays are delivered by the tray delivery conveyor to lift contents of the trays. The fingers are positioned so that some fingers pass through the slots of each of the different widths, but others pass only through slots of wider said widths.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 27, 2015
    Assignee: Swisslog Logistics, Inc.
    Inventors: David T. Huff, Asim Behera, Don L. Steketee, Edward L. Spicer
  • Trays and Apparatus and Method for Removing Cartons from Trays
    Publication number: 20140212252
    Abstract: A system includes trays of a plurality of different widths and an unloading system for unloading cartons from the trays. The trays (20; 20?; 20?) each comprise a base (22) and a pair of end walls (30) extending upward from the base. The unloading system (200; 200?) comprises a plurality of fingers (202A-202I). Each of the end walls comprise a plurality of vertical slots (40) open to an upper edge of the end wall. The fingers are positioned and dimensioned to pass through the slots of the trays as the trays are delivered by the tray delivery conveyor to lift contents of the trays. The fingers are positioned so that some fingers pass through the slots of each of the different widths, but others pass only through slots of wider said widths.
    Type: Application
    Filed: March 31, 2014
    Publication date: July 31, 2014
    Applicant: Swisslog Logistics, Inc.
    Inventors: David T. Huff, Asim Behera, Don L. Steketee, Edward L. Spicer
  • Trays and apparatus and method for removing cartons from trays
    Patent number: 8684166
    Abstract: A system includes trays of a plurality of different widths and an unloading system for unloading cartons from the trays. The trays (20; 20?; 20?) each comprise a base (22) and a pair of end walls (30) extending upward from the base. The unloading system (200; 200?) comprises a plurality of fingers (202A-202I). Each of the end walls comprise a plurality of vertical slots (40) open to an upper edge of the end wall. The fingers are positioned and dimensioned to pass through the slots of the trays as the trays are delivered by the tray delivery conveyor to lift contents of the trays. The fingers are positioned so that some fingers pass through the slots of each of the different widths, but others pass only through slots of wider said widths.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: April 1, 2014
    Assignee: Swisslog Logistics, Inc.
    Inventors: David T. Huff, Asim Behera, Don L. Steketee, Edward L. Spicer
  • Trays and Apparatus and Method for Removing Cartons from Trays
    Publication number: 20110061995
    Abstract: A system includes trays of a plurality of different widths and an unloading system for unloading cartons from the trays. The trays (20; 20?; 20?) each comprise a base (22) and a pair of end walls (30) extending upward from the base. The unloading system (200; 200?) comprises a plurality of fingers (202A-202I). Each of the end walls comprise a plurality of vertical slots (40) open to an upper edge of the end wall. The fingers are positioned and dimensioned to pass through the slots of the trays as the trays are delivered by the tray delivery conveyor to lift contents of the trays. The fingers are positioned so that some fingers pass through the slots of each of the different widths, but others pass only through slots of wider said widths.
    Type: Application
    Filed: May 21, 2009
    Publication date: March 17, 2011
    Applicant: SWISSLOG LOGISTICS, INC.
    Inventors: David T. Huff, Asim Behera, Don L. Steketee, Edward L. Spicer