Patents by Inventor Randall A. Mackenzie

Randall A. Mackenzie 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).

  • Draft system for beverages
    Patent number: 6719175
    Abstract: A system for dispensing beverages, in particular for dispensing mixed drinks can be configured to be implemented in conjunction with existing draft systems, for example, draft systems for dispensing beer and the like. Pumps used to dispense the beverages can be powered by the pressurized gas used with the existing draft system. A dual pump system may be used wherein one pump can circulate or mix the beverage within its storage container, while the other pump can pump the beverage for dispensing from a tap.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: April 13, 2004
    Assignee: Island Oasis Frozen Cocktail Co., Inc.
    Inventors: Randall A. Mackenzie, Keith M. Crawford
  • Draft system for beverages
    Publication number: 20030024952
    Abstract: A system for dispensing beverages, in particular for dispensing mixed drinks can be configured to be implemented in conjunction with existing draft systems, for example, draft systems for dispensing beer and the like. Pumps used to dispense the beverages can be powered by the pressurized gas used with the existing draft system. A dual pump system may be used wherein one pump can circulate or mix the beverage within its storage container, while the other pump can pump the beverage for dispensing from a tap.
    Type: Application
    Filed: March 7, 2002
    Publication date: February 6, 2003
    Inventors: Randall A. Mackenzie, Keith M. Crawford