Patents by Inventor Charles W. Million

Charles W. Million 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).

  • Method for cleaning semipermeable membranes
    Patent number: 3940336
    Abstract: Mud, slime, precipitated particles and other foreign matter are removed from the surface of a semipermeable membrane used in a membrane process system by flushing, preferably with the membrane in place in its cartridge or container, with water of purity greater than 1 megohm resistivity.
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: February 24, 1976
    Assignee: Desalination Systems, Inc.
    Inventors: Clement C. Macevicz, Charles W. Million