Patents by Inventor Robert W. Horney

Robert W. Horney 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).

  • Patent number: 4407187
    Abstract: A device for use in conjunction with an air flow duct to control the flow of air through the duct. The device includes a body for being secured with respect to the duct and having a central aperture therethrough for allowing substantially unhampered flow of air from the duct therethrough, a stationary plate for covering the central aperture of the body and having a plurality of apertures therethrough for allowing substantially unhampered flow of air therethrough, and a movable plate for covering the stationary plate and having a plurality of apertures therethrough for selective alignment with the apertures through the stationary plate to allow metering of the flow of air therethrough.
    Type: Grant
    Filed: December 15, 1981
    Date of Patent: October 4, 1983
    Inventor: Robert W. Horney