Patents by Inventor Howard W. Bongratz

Howard W. Bongratz 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).

  • Variable height, multiple position batch blender assembly
    Patent number: 7121715
    Abstract: A liftable blender assembly has a container, which is easily filled and emptied in that it may be loaded with ingredients from the top, may cause the ingredients to mix or react, may be raised and then may be emptied from the bottom.
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: October 17, 2006
    Assignee: Eirich Machines, Inc.
    Inventor: Howard W. Bongratz