Patents by Inventor Derek W. Harris

Derek W. Harris 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: 4518541
    Abstract: An apparatus for aerating liquids, particularly for the preparation of carbonated beverages, has a carbonating chamber with electrically actuated valves controlling the flow of liquid and gas to and from the chamber, and a programmed electronic timer control device controls said valves enabling liquid to be carbonated and dispensed at the touch of a button.
    Type: Grant
    Filed: April 10, 1984
    Date of Patent: May 21, 1985
    Assignee: Sodastream Limited
    Inventor: Derek W. Harris