Patents by Inventor Irving Holzberg

Irving Holzberg 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).

  • Improving the flavor of decaffeinated coffee by radio frequency heating to rapidly dry coffee beans
    Patent number: 3989849
    Abstract: Improved flavor of commercially decaffeinated coffee is accomplished by rapidly drying the wet decaffeinated beans with radio frequency heating the thermal and radio frequency energies required and the wavelength and duration of exposure to the same being sufficient to impart a porous structure to the bean without rupturing the same.
    Type: Grant
    Filed: March 23, 1973
    Date of Patent: November 2, 1976
    Assignee: General Foods Corporation
    Inventors: Harvey P. Fogel, Irving Holzberg