ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,944, issued on Jan. 13, was assigned to Georg Fischer Rohrleitungssysteme AG (Schaffhausen, Switzerland).
"Drying method" was invented by Edin Hasific (Schaffhausen, Switzerland), Juergen Roesch (Lenzkirch, Germany), Mariano Gutierrez (Kreuzlingen, Switzerland) and Benedikt Engesser (Hochemmingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for welding hygroscopic plastics parts, preferably pipeline components, by means of a butt-welding machine, wherein the two plastics parts are clamped and fixed in a coaxial position in relation to one another by means of a clamping device."
The patent was filed on March 1, 2024, under Applic...