Patents by Inventor Jacob Gasau

Jacob Gasau 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).

  • Continuous extraction process
    Patent number: 4534985
    Abstract: A process for the continuous extraction of roasted coffee or tea, which comprises introducing dry finely ground coffee or tea at a charging station in the form of a bed with a thickness of from 0.5 to 15 cm and displacing the bed along a closed circuit up to a discharging station by way of at least one extraction station where a stream of extraction liquid is passed through the bed while a pressure gradient of the liquid on the bed is maintained.
    Type: Grant
    Filed: November 4, 1980
    Date of Patent: August 13, 1985
    Assignee: Nestec S.A.
    Inventor: Jacob Gasau