Patents by Inventor Donat WISZNIEWSKI

Donat WISZNIEWSKI 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).

  • Feeding apparatus and method for operating a feeding apparatus
    Patent number: 11617355
    Abstract: A feeding apparatus includes an inner compartment having a first opening; and an outer compartment having a second opening. At least one of the inner compartment and the outer compartment is configured to be movable relative to the other one of the inner compartment and the outer compartment from a first position in which the first opening is out of alignment with the second opening to a second position in which the first opening is aligned with the second opening.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: April 4, 2023
    Assignee: Tetra GmbH
    Inventors: Bernd Wallmeier, Arkadiusz Soroka, Donat Wiszniewski
  • FEEDING APPARATUS AND METHOD FOR OPERATING A FEEDING APPARATUS
    Publication number: 20190110448
    Abstract: A feeding apparatus includes an inner compartment having a first opening; and an outer compartment having a second opening. At least one of the inner compartment and the outer compartment is configured to be movable relative to the other one of the inner compartment and the outer compartment from a first position in which the first opening is out of alignment with the second opening to a second position in which the first opening is aligned with the second opening.
    Type: Application
    Filed: March 7, 2017
    Publication date: April 18, 2019
    Inventors: Bernd WALLMEIER, Arkadiusz SOROKA, Donat WISZNIEWSKI