Patents by Inventor Martin C. Boyd

Martin C. Boyd 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).

  • Fire-responsive tank top
    Patent number: 4004708
    Abstract: Floating tank top pivotally carrying upwardly projecting weather shield plates around its periphery for biasing outwardly against inside surface of tank wall, has bias mechanism arranged to tilt the plates inwardly in response to fire to expose roof seal at site of fire and help direct fire-fighting foam into exposed location.
    Type: Grant
    Filed: December 19, 1975
    Date of Patent: January 25, 1977
    Assignee: Philadelphia Suburban Corporation
    Inventor: Martin C. Boyd