Patents by Inventor Stephen Kotansky

Stephen Kotansky 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).

  • Shut-off valve
    Patent number: 4040600
    Abstract: A shut-off valve may control the flow of high-pressure fluid in an on or off manner. The valve includes a valve housing having an axial bore therethrough with a valve member slidable therein. The valve member is formed with a hemispherical poppet which, in one position, is seated between a valve inlet port and a valve outlet port. The valve member is floatably mounted within the axial bore so as to render the hemispherical poppet self-aligning with respect to the valve seat. The valve is remotely actuated by a valve actuating fluid.
    Type: Grant
    Filed: January 15, 1976
    Date of Patent: August 9, 1977
    Assignee: General Electric Company
    Inventors: Patrick S. Coppola, Stephen Kotansky