Patents by Inventor Holger Steinfurth

Holger Steinfurth 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).

  • Screening machine
    Patent number: 10449571
    Abstract: A screening machine including at least one solid matter outlet with a circular or round connection device. The solid matter outlet can include a number of shaped cross-sections including a polygonal cross-section at least on the inside surface, a hexagonal cross-section on the inside surface, or an octagonal cross-section on the inside surface. The solid matter outlet can also include geometric arrangement of plane faces for installing plane wear protection elements.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: October 22, 2019
    Assignee: ALLGAIER WERKE GmbH
    Inventor: Holger Steinfurth
  • Screening Machine
    Publication number: 20190126322
    Abstract: A screening machine including at least one solid matter outlet with a circular or round connection device. The solid matter outlet can include a number of shaped cross-sections including a polygonal cross-section at least on the inside surface, a hexagonal cross-section on the inside surface, or an octagonal cross-section on the inside surface. The solid matter outlet can also include geometric arrangement of plane faces for installing plane wear protection elements.
    Type: Application
    Filed: February 1, 2018
    Publication date: May 2, 2019
    Inventor: Holger Steinfurth