Patents by Inventor John D. Egri, II

John D. Egri, II 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).

  • Patent number: 4857085
    Abstract: A treatment area, such as a room, is sealed off from air flow communication with an outside environment whereupon cyanoacrylate is vaporized and fumed through a heating medium at a prescribed temperature throughout the treatment area. Upon cooling of the cyanoacrylate, asbestos is encapsulated within the cyanoacrylate within a thin film to simultaneously seal the treatment area and assist in removal of airborne asbestos fibers.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: August 15, 1989
    Inventor: John D. Egri II
  • Patent number: 4791766
    Abstract: A metallic frame fire-stop is set forth formed of planar-like reinforced rib construction including necked-down terminal end portions with integral interlock elements for twist-fit locking engagement with typical metallic studding, as commonly utilized in commercial construction. The width of the fire-stop members are dimensioned to equal those of metallic studding with the neck-down terminal end portions dimensioned to nest within the metallic studding's vertical legs. The so formed fire-stop accordingly require no accessory fastening elements for securement to the aforenoted studding.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: December 20, 1988
    Inventor: John D. Egri, II