ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,248, issued on Aug. 26.

"Filtration system for a water drainage system" was invented by Robert Sherwood (Almont, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downspout drain filter includes a housing and a filter media. The housing defines an internal cavity, an inlet to the internal cavity along a top of the housing, and an outlet from the internal cavity along a bottom of the housing. The filter media is disposed within the internal cavity. The filter media divides the internal cavity into an upper chamber and a lower chamber. The filter media is configured to trap debris in the upper chamber from fluid flowing downward through the inter...