Patents by Inventor Philip H. Tomassini

Philip H. Tomassini 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).

  • Mixer with alternating sized flow passages
    Patent number: 5664883
    Abstract: A mixer includes an elongate shaft having a U-shaped slot at one end and a mixer blade seated within the U-shaped slot extending to either side of the shaft. The mixer blade includes top and bottom beams extending to either side of the shaft with alternating convex and concave rungs of uniform width extending between the top and bottom beams. The top beams bottom beams and pairs of adjacent rungs define flow passages that vary in width from the top beam to the bottom beam.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: September 9, 1997
    Assignee: Abbottstown Industries, Inc.
    Inventor: Philip H. Tomassini