Patents by Inventor Walter Sauer

Walter Sauer 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 for small animals
    Patent number: 4326482
    Abstract: A feed channel is positioned adjacent a battery of cages particularly adapted for small animals. A metering sled is longitudinally positioned in the channel and moves with reciprocating motion therein. A feed nozzle protrudes into the channel and moves with the sled. Plow members are mounted on opposite ends of the sled for distributing new feed evenly in the channel while older feed is displaced to a section in the channel nearest the cages where it will be consumed first.
    Type: Grant
    Filed: June 12, 1980
    Date of Patent: April 27, 1982
    Inventor: Walter Sauer
  • Poultry cage feeding system
    Patent number: 4233939
    Abstract: A cage battery e.g. for chickens wherein the feeding assembly extending in front of the cage row consists of a feed conveying trough containing a conveyor element and a separate feed trough extending parallel with the conveying trough and recessed into the bottom of the cages.
    Type: Grant
    Filed: March 22, 1979
    Date of Patent: November 18, 1980
    Assignee: Hans Giesbert Kommanditgesellschaft
    Inventors: Walter Sauer, Berthold Gerhart
  • Apparatus for conveying bulk materials
    Patent number: 4101021
    Abstract: A bulk material conveying mechanism including a series of tubular elements each having a screw convolution attached to the exterior of the element body. Universal joints connect confronting ends of adjacent tubular elements to allow the elements to conform with the curvature of an enclosing chute.
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: July 18, 1978
    Assignee: Hans Giesbert KG
    Inventor: Walter Sauer