ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,505, issued on June 30.

"Filter cartridge and water filter device" was invented by Christoph Gotz (Garbsen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "What is proposed is a filter cartridge for a water filter device comprising an inflow funnel, which comprises a valve, which is arranged in a flow channel and which has a valve body (304), which can be moved in the axial direction, in order to close the flow channel in a first position of the valve body and to release it in a second position. The filter cartridge has a housing, which comprises an inflow opening for unfiltered raw water on an upper side and an outflow opening for filtered w...