US Patent Issued on Aug. 4 for "Lined pipe and joints thereof" (Canadian Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,850, issued on Aug. 4.

"Lined pipe and joints thereof" was invented by Janak H. Handa (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lined pipe assembly includes a metallic pipe and a tubular metallic coupler. The coupler is welded to the pipe and includes a coupler inner wall defining a coupler internal profile. A tubular metallic sleeve is pressed fit into the coupler internal profile. An outer wall of the sleeve and a proximal portion of the coupler inner wall define an annular space therebetween. A non-metallic liner lines an inner wall of the pipe, a distal portion of the coupler inner wall, and an inner wall of the sleeve. To join a ...