ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,131, issued on Aug. 5, was assigned to Naber Holding GmbH & Co. (Nordhorn, Germany).
"Pipe bend for an exhaust air duct of a fume extraction hood" was invented by Hans-Joachim Naber (Nordhorn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe bend for an exhaust air duct of a fume extraction hood, the pipe bend having at least one multi-part and curved air guide element which extends in the interior of the pipe bend, characterized in that a first and a second part element of the air guide element have a spacing (d) from one another in a radial direction of their curvature."
The patent was filed on May 20, 2022, under Application No. 17/7...