US Patent Issued to PERMA-PIPE on April 15 for "System and method for producing spray foam insulated pipe with channels, tubes or conduits" (American, Indian Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,366, issued on April 15, was assigned to PERMA-PIPE INC. (Niles, Ill.).

"System and method for producing spray foam insulated pipe with channels, tubes or conduits" was invented by John Carusiello (Lemont, Ill.) and Sandeep Adka (Karnataka, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A length of a main pipe is provided. The main pipe has an internal surface and an external surface. A plurality of channels, tubes or conduits is attached to the external surface of the main pipe and spaced about a circumference thereof. A spray foam insulation is applied to the external surface of the main pipe. Prior to curing the spray foam insulation, a comp...