ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,094, issued on Dec. 23, was assigned to Liquitec AG (Kirchberg, Switzerland).
"Magnetic non-return valve" was invented by Patrik Denoth (Kirchberg, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic non-return valve having a valve body and a valve housing arrangement, wherein the valve body is guided so as to be axially displaceable in the valve housing arrangement and closes the fluid duct of the valve housing arrangement by way of a holding force acting counter to the direction of flow, wherein the axial holding force is generated by a repelling magnet arrangement, wherein a concentric piston connected to the valve body via the ...