Patents by Inventor Mary Jane Blandford

Mary Jane Blandford 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).

  • Consumer water filtering apparatus
    Patent number: 4936984
    Abstract: A water-filtering apparatus comprising two substantially identical containers each with a water-dispensing valve on the side near the bottom, and a hole in the top. A filter is rested in the hole of the first of the containers. The second container is filled through its hole with water, elevated by some means such as a table or box above the first container, and the water is allowed to flow out of the upper valve, through the filter and into the lower container.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: June 26, 1990
    Inventors: Mary Jane Blandford, Robert R. Blandford