Patents by Inventor Charles S. Ward

Charles S. Ward 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).

  • Microwave amplifier
    Patent number: 4535302
    Abstract: An improved microwave amplifier is shown to comprise an IMPATT diode in a coaxial circuit coupled to a section of double-ridged waveguide forming a resonant cavity with a low Q, such cavity in turn being coupled to outside circuitry through a compound iris.
    Type: Grant
    Filed: December 5, 1983
    Date of Patent: August 13, 1985
    Assignee: Raytheon Company
    Inventors: Charles S. Ward, Richard W. Laton, John A. Spada
  • Method for separating a liquid waste finish composition
    Patent number: 4470880
    Abstract: A method is provided for separating a liquid mixture into its aqueous and non-aqueous liquid phases. The method comprises the steps of introducing the liquid mixture into a gas-tight vessel; rotating the vessel at a surface speed of approximately 19 to 190 ft/min (0.095 to 0.950 m/s) to cause filming of the liquid composition, while simultaneously heating the vessel to cause the aqueous phase to evaporate; removing the water vapor under vacuum; and condensing the water vapor for removal.
    Type: Grant
    Filed: June 18, 1982
    Date of Patent: September 11, 1984
    Assignee: Allied Corporation
    Inventor: Charles S. Ward