ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,458, issued on July 28, was assigned to MST NL B.V. (Huizen, Netherlands).

"Filter device for removing particles from a fluid" was invented by Stijn Van Der Upwich (Enkhuizen, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device for removing particles from a fluid includes a fluid chamber and an inlet for fluid, an outlet for filtered fluid and an outlet for particles, each coupled to the fluid chamber. The filter device also includes a flow directing mechanism for inducing a vortex flow around a vortex axis in the fluid chamber. The outlet for particles is coupled to the fluid chamber at a location substantially perpendicular ...