Patents by Inventor David B. Patchett

David B. Patchett 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).

  • Apparatus and process for desalination of seawater
    Patent number: 5102550
    Abstract: An apparatus and process for desalination of seawater using a hydrophobic por permeable membrane. Heated seawater is passed across one surface of a membrane at rates which cause the flow to be turbid such that its turbidity is characterized by Reynolds numbers in excess of 1000. Fresh water is passed across the other surface of the membrane to act as a condenser and collector of vapor which passes through the membrane.
    Type: Grant
    Filed: November 1, 1990
    Date of Patent: April 7, 1992
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Joseph F. Pizzino, David B. Patchett