Patents by Inventor Ernest Sanchez

Ernest Sanchez 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: 4834282
    Abstract: A device is provided for controlling the position of a damper within a flue or stack of a forced air heating or cooling system or a commercial or industrial boiler. The device comprises a damper plate and means to control rotation of the plate within a flue under force supplied by the movement within the flue of air or gases.
    Type: Grant
    Filed: February 25, 1987
    Date of Patent: May 30, 1989
    Inventors: Abel Tenorio, Ernest Sanchez, Stephen I. Adler