Patents by Inventor Daniel D. Ibasfalean

Daniel D. Ibasfalean 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 safety device
    Patent number: 5155957
    Abstract: A fire safety device for closing through-holes in floors and walls and for thus stopping the potential spread of fire and smoke in case of the occurrence of a fire, includes a section of conduit, a cup-shaped retainer spaced from the outside surface of the conduit section so as to define an annular space therebetween, the annular space containing a suitable and pre-measured quantity of intumescent material, and a floating floor below the intumescent material which, in the event of fire, will move inwardly to occupy the interior space previously occupied by the conduit section.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: October 20, 1992
    Assignee: National Improvement Company, Inc.
    Inventors: Eric B. Robertson, John C. Ibasfalean, Daniel D. Ibasfalean