Patents by Inventor Andrew J. M. Craig

Andrew J. M. Craig 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).

  • Counter-current gas-liquid contacting device
    Patent number: 4995945
    Abstract: A counter-current contacting device which includes a number of features which increase the efficiency and/or increase the pressure differential across the device is disclosed. Systems for reducing the alcohol content of an alcohol containing beverage or wine, for stripping aroma and flavor from a fruit juice and for desulphuring a liquid containing dissolved sulphur dioxide are also disclosed. Each of these systems incorporate a counter-current contact device of the invention.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: February 26, 1991
    Assignee: Flavourtech Pty. Ltd.
    Inventor: Andrew J. M. Craig