ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,340, issued on Aug. 19, was assigned to ITT Bornemann GmbH (Obernkirchen, Germany).
"Single-entry screw pump" was invented by David Johannes Blatt (Obernkirchen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A single-entry screw pump with a housing which has an inlet and an outlet for a medium to be pumped, with two spindles which are rotatably mounted in the housing in slide bearings, the spindles each have a screw thread on their outer circumference between the slide bearings, the screw threads of the spindles engage with one another and convey the medium from the inlet to the outlet, the housing has a sleeve section in which the screw th...