ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,642, issued on June 3, was assigned to Balco Inc. (Wichita, Kan.).
"Modular construction fire stop assembly" was invented by John Harder (Wichita, Kan.), Sai Pottavathri (Manvel, Texas) and Steve Chavers (Haysville, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved fire barrier assembly is disclosed for use between two structures, either in a compressive mode or a combination compression/shear mode. The assembly includes at least a single foam core, or two foam cores separated by a gap. At least one foam core includes an intumescent layer. An outer wrap of a fire-resistant fabric surrounds the foam core. The assembly is fastened to one ...