Patents by Inventor Frank Kahoun

Frank Kahoun 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).

  • In-line balance valves
    Patent number: 3988002
    Abstract: An enclosed hollow plug having a plurality of discretely located apertures, for an in-line valve cooperating with an opening for adjusting its area wherein the apertures are so sized and located that flow into and out of the hollow plug creates a pressure therein that varies for counterbalancing the pressure acting on the portion of the plug adjacent the opening to hold the net pressure force at zero.
    Type: Grant
    Filed: July 10, 1972
    Date of Patent: October 26, 1976
    Assignee: United Technologies Corporation
    Inventor: Frank Kahoun