Patents by Inventor Nestor P. Ardiente

Nestor P. Ardiente 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).

  • System for increasing heating efficiency
    Patent number: 4245779
    Abstract: A conventional forced air furnace is provided with a source of outside air for use in combustion. The amount of outside air admitted to the furnace and the amount of heated air lost through the chimney are regulated by simultaneously operable dampers synchronized with the operation of the furnace. Alternate power circuits and an alarm system for the dampers are provided.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: January 20, 1981
    Inventor: Nestor P. Ardiente