Patents by Inventor Franklin J. Zielsdorf

Franklin J. Zielsdorf 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: 4275568
    Abstract: A temperature controlled dough mixer having a bowl which is provided with a cooled sheet panel, a pair of cooled end panels and a cooled breaker tube extending between the end panels. A cooled agitator may be rotatably mounted between the end panels of the bowl. Cooling of the sheet panel is effected by a series of internal, side-by-side flow channels which are interconnected at alternate ends to define a plurality of segregated serpentine flow paths for an appropriate cooling fluid. The mixer also includes temperature sensing means for sensing the temperature within the bowl and control means responsive to the temperature sensing means for controlling the flow of cooling fluid through the cooled portions of the mixer.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: June 30, 1981
    Assignee: Peerless Machinery Corporation
    Inventor: Franklin J. Zielsdorf