ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,375, issued on April 14, was assigned to Flowserve Pte. Ltd. (Singapore).

"Bearing assembly with internal prime-retaining pressurized lubrication system" was invented by William J. Boyko (Bath, Pa.), Timothy James Nish (Easton, Pa.) and Neil Havrilla (Coplay, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An internal pressurized lubrication system of a radial support bearing assembly includes oil passages within a bearing housing that comprise a charge-retaining section bounded by vertical or upward-sloping passages and configured to retain an oil charge therein during a shutdown. A vent bleeds air into the suction side of the passages during a...