Patents by Inventor by William Lubas, executor

by William Lubas, executor 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).

  • Venturi mixer
    Patent number: 4164541
    Abstract: Apparatus for producing a product such as fertilizer which has acidic and basic constituents having, a venturi pump and a mixing tank. The venturi pump is powered by mixing the constituents in a reaction chamber and expelling the resulting product through a venturi tube. The venturi tube entrains additional product adjacent to the entrance of the tube and expels the additional product along with the product just produced by the reaction in order to mix the product in the tank.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: August 14, 1979
    Inventors: Edward A. Platz, deceased, by Zelma H. Platz, executor, by William Lubas, executor