Patents by Inventor Edi Schmidt

Edi Schmidt 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).

  • Patent number: 4590977
    Abstract: An apparatus for metering bulk material includes a downwardly open supply chute; a metering screw having an intake length portion for receiving bulk material from the supply chute; a motor operatively connected to the metering screw for imparting rotation thereto; and a tubular metering screw casing accommodating the metering screw and arranged for guiding therein the bulk material advanced by the metering screw during rotation thereof. The metering screw is oriented obliquely with respect to the horizontal. There is further provided a spout supported at the discharge end of the metering screw and arranged for receiving the bulk material advanced thereby. The spout has a downwardly curving configuration and a substantially vertically downwardly oriented outlet opening.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: May 27, 1986
    Assignee: SIG Schweizerische Industrie-Gesellschaft
    Inventor: Edi Schmidt