ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,816, issued on June 23.
"Self-gripping, no-slip rebar coupler" was invented by Imran Khan (Denver).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention comprises an improved rebar coupler designed to simplify joining rebar while minimizing slippage. It features a male and female threaded external housing, an internal cylinder, springs, and tightening members with wedges. The coupler creates an opposing force to lock rebar securely, addressing challenges in existing methods. Available in two-piece and three-piece configurations, it accommodates various rebar sizes without modification. The design allows for single-person operation, reduces man...