ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,720, issued on June 3.
"Filter systems and related methods" was invented by Valdean Allen Johnson (West Jordan, Utah) and Celia Roberts Johnson (Eagle Mountain, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water filter system includes an upper chamber removably coupled with a lower chamber. In implementations the lower chamber has a sidewall and a rim wider than the sidewall. A filter medium filters water from the upper to the lower chamber. A seal couples between the chambers and has a circular cross-section and a gap receiving a portion of the sidewall. The seal may also have a cavity receiving the rim. The seal includes one or more arced ...