Patents Assigned to Grindmaster Crathco Systems, Inc.
  • Patent number: 6622510
    Abstract: A method of freezing and dispensing a beer product comprises providing beer in a sealed, refrigerated storage container under pressure; feeding beer from the storage container to a sealed freezing chamber through a sealed delivery system; freezing the beer in the chamber; and dispensing frozen beer from the chamber. The frozen beer product preferably has a slush consistency and a density of about 50% to about 90% of the density of unfrozen beer, a temperature of between about 23° and 27° F. and a volume reduction in a filled 14 fluid ounce plastic cup sitting in 70° F. room for 30 minutes or less than 10%. A refrigerated cabinet for supplying beer comprises an insulated beer storage compartment; a refrigeration system comprising a compressor, a condenser, a thermal expansion device and an evaporator; a pressurized carbon dioxide tank in a separate, non-refrigerated compartment; and a fan for circulating air within the insulated beer storage compartment.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: September 23, 2003
    Assignee: Grindmaster Crathco Systems, Inc.
    Inventors: Mark S. Giroux, Joseph M. Trewhella, Darryl Alan Goodson
  • Patent number: D471054
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: March 4, 2003
    Assignee: Grindmaster Crathco Systems, Inc.
    Inventor: Timothy D. Gantt