US Patent Issued to Mueller International on June 30 for "Pipe stopper with expandable stopper body" (Illinois Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,182, issued on June 30, was assigned to Mueller International LLC (Atlanta).

"Pipe stopper with expandable stopper body" was invented by James Webber (Decatur, Ill.) and Mohammad Unnus Qasim (Decatur, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe stopper includes an expandable stopper body comprising a shell defining a stopper cavity and configurable in an expanded configuration and a contracted configuration; a pressure assembly received within the stopper cavity; and an actuation arm pivotably connected to the shell and pivotably connected to the pressure assembly, the actuation arm configured to move the expandable stopper body betwe...