US Patent Issued to United States Pipe and Foundry on March 25 for "Compound locking ring for pipe joints" (Alabama Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,069, issued on March 25, was assigned to United States Pipe and Foundry Co. LLC (Birmingham, Ala.).

"Compound locking ring for pipe joints" was invented by Cameron Anderson Corcoran (Trussville, Ala.), Jerry Gregory Key (Bessemer, Ala.) and Jay Derek Caston (Birmingham, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe joint having a compound locking ring is disclosed herein. The pipe joint bell has a segment cavity into which ring segments may be inserted through a slot on the face or outer surface of the bell end of a first pipe. The locking ring has multiple ring segments, each segment having an arcuate outer surface. The outer surface ...