Patents by Inventor Peter A. W. Emich, deceased

Peter A. W. Emich, deceased 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).

  • Method of reducing the content of irritant substances in coffee
    Patent number: 4015022
    Abstract: Raw coffee is heated up by humidified hot air during a first period, then cooled at a reduced pressure during an immediately following second period, and these alternate treatments are carried out several times in succession.
    Type: Grant
    Filed: July 18, 1975
    Date of Patent: March 29, 1977
    Assignee: Kaffee-Veredelungs-Werk Koffeinfrei Kaffee GmbH & Co.
    Inventors: Peter A. W. Emich, deceased, by Edith G. H. Emich nee Leirmann, by Peter-Michael Emich, by Ulrich Emich, by Barbara Emich, heirs