ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,857, issued on April 7, was assigned to KSB SE & Co. KGaA (Frankenthal, Germany).
"Assembly for preventing a backflow" was invented by Gregor Rauch (Frankenthal, Germany) and Dieter Hanewald (Frankenthal, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly that prevents a backflow includes an element. The element releases a flow in a flow direction and which prevents a flow opposite to the flow direction. The element is arranged in a chamber which has stops. The chamber is formed by a single-piece wall. The element is integrated into the chamber in a form-fitting manner."
The patent was filed on Nov. 17, 2022, under Application No. 1...