Patents by Inventor Gerald J. Devitt

Gerald J. Devitt 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).

  • Fan powered roof venting method and apparatus
    Patent number: 4432273
    Abstract: A roof vent for flat built-up roofs, having a truncated pyramid-shaped air stack with a protective cap and an internal fan for inducing upward air flow through a check valve at the upper end of the stack. A solar panel provides power for operating the fan, a thermal switch is employed for enabling the fan above an ambient temperature of 50.degree. F. (10.degree. C.) and a humidistat may be employed for disabling the fan below 50% relative humidity.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: February 21, 1984
    Assignee: Revere Products Corporation
    Inventor: Gerald J. Devitt
  • Flat roof auxiliary drain system
    Patent number: 4248258
    Abstract: A flat roof solar powered auxiliary drain system having master and satellite modules with respective drain lines and electric pumps for charging the drain lines for syphoning standing water from a flat roof, the master module having a battery and a solar cell for charging the battery for supplying power for operating the electric pumps and a control circuit for selectively energizing the electric pumps for removing standing water.
    Type: Grant
    Filed: June 11, 1979
    Date of Patent: February 3, 1981
    Inventors: Gerald J. Devitt, Richard A. Ritter