Patents by Inventor Daniel P. Drew

Daniel P. Drew 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).

  • Ceiling panel
    Patent number: 5133167
    Abstract: Ceiling panels useful for controlling fluid flow in overhead fluid leaks are disclosed comprising a generally fluid impermeable surface, having a fluid retention zone extending below a fluid collection zone when the panel is arranged in generally horizontal position, with the fluid retention zone containing a fluid outlet. The panel has channels extending from the collection zone to the retention zone, sufficient to direct fluid, flowing by gravity, toward the fluid outlet when the panel is horizontal.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: July 28, 1992
    Assignee: Water Shield Corporation
    Inventors: Daniel P. Drew, George M. Greenberger