ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,451, issued on June 3, was assigned to TI AUTOMOTIVE (HEIDELBERG) GMBH (Heidelberg, Germany).
"Method for treating a pipe, pipe and pipe connection device" was invented by Andreas Stahn (Rauenberg, Germany) and Georg Weick (Plankstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating a pipe, in particular a motor vehicle pipe, wherein a flare is generated at least at one pipe end of the pipe. At least areas of the flare are provided with at least one layer, which changes the friction properties of the coated surface of the flare. The flare is coated by means of plasma coating."
The patent was filed on Aug. 25, 2021, under...