Patents by Inventor Freda M. Bauer

Freda M. Bauer 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).

  • Concrete mix water
    Patent number: 6066262
    Abstract: Water having alkalies selected from sodium, potassium and mixtures thereof dissolved therein is treated with a composition to reduce the concentration of the alkalies whereby the water is rendered usable according to ASTM standards to render the water usable as concrete mix water. The composition and the method of its use is disclosed herein, wherein the composition is selected from compounds in the group consisting of lithium carbonate, acid zirconium phosphate, carbon dioxide and mixtures thereof.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: May 23, 2000
    Assignee: Fritz Industries, Inc.
    Inventors: Daniel P. Montgomery, Freda M. Bauer
  • Concrete mix water
    Patent number: 5885478
    Abstract: Water having alkalies selected from sodium, potassium and mixtures thereof dissolved therein is treated with a composition to reduce the concentration of the alkalies whereby the water is rendered usable according to ASTM standards to render the water usable as concrete mix water. The composition and the method of its use is disclosed herein, wherein the composition is selected from compounds in the group consisting of lithium carbonate, acid zirconium phosphate, carbon dioxide and mixtures thereof.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: March 23, 1999
    Assignee: Fritz Industries, Inc
    Inventors: Daniel P. Montgomery, Freda M. Bauer