Patents by Inventor Robert D. Tanner

Robert D. Tanner 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).

  • Defrost system for a refrigeration device
    Patent number: 7275376
    Abstract: A defrost system for a temperature controlled storage unit includes an enclosure providing a space for storage of products. A refrigeration system has a supply line and a return line coupled to a cooling element to circulate a refrigerant through the cooling element to provide cooling to the space. A control module initiates a plurality of defrost modes on a predetermined frequency and for a predetermined duration by reducing a flow rate of the refrigerant through the cooling element so that a superheat temperature of the refrigerant in the cooling coil is increased to a predetermined range.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: October 2, 2007
    Assignee: Dover Systems, Inc.
    Inventors: Timothy Dean Swofford, Larry C. Howington, Arnold M. Stephens, Robert D. Tanner
  • Combined bottle opener and recapper
    Patent number: D273555
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: April 24, 1984
    Inventor: Robert D. Tanner