Patents by Inventor Kenneth N. Johnsen

Kenneth N. Johnsen 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 and apparatus for metering liquids
    Patent number: 4462760
    Abstract: A method and apparatus for delivering metered quantities of liquid wherein the liquid is circulated through a chamber to fill the chamber with liquid and circulation is temporarily terminated with the chamber filled with liquid. While circulation is terminated gas under pressure is admitted to the chamber to displace liquid therefrom through a discharge port. The quantity of liquid displaced is controlled by regulating the volume of the chamber and/or by regulating the relative disposition in the chamber of the point of entry of the gas and point of discharge of the liquid.
    Type: Grant
    Filed: July 7, 1981
    Date of Patent: July 31, 1984
    Assignee: Orbital Engine Company Proprietary Limited
    Inventors: Tony R. Sarich, Kenneth N. Johnsen, Michael L. McKay