Patents by Inventor David Luigi Petraz

David Luigi Petraz 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).

  • Publication number: 20240415318
    Abstract: Machine (10) for preparing a beverage starting from a dry food substance (S), preferably in grains or beans (C), comprising a hopper (15) to contain the dry food substance (S) and provided with a lower aperture (25) for the outlet of the dry food substance (S). A grinding device (16) is disposed below the lower aperture (25) to grind the dry food substance (S) and transform it into an aromatic blend (M) in powder form. A central control unit (20) is able to control the grinding device (16) and a user interface (43) is connected to the central control unit (20).
    Type: Application
    Filed: October 18, 2022
    Publication date: December 19, 2024
    Applicant: DE' LONGHI APPLIANCES S.R.L. CON UNICO SOCIO
    Inventors: Simone Rosetta, Guido Quaratesi, Igor Trevisan, David Luigi Petraz