Patents by Inventor Frank V. Fritz

Frank V. Fritz 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).

  • Self-penetrating remote sensing smoke detector
    Patent number: 4968975
    Abstract: A remote sensing smoke detector suitable for use in a building with hollow walls or ceilings defining inaccessable spaces such as attics, suspended ceilings or an attached closet, garage, or storage area having a main alarm and power source unit affixed on the interior surface of the wall or ceiling, with a mast positioning a sensor to provide a signal to the main alarm unit in the presence of combustion products in the space.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: November 6, 1990
    Inventor: Frank V. Fritz