ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,698, issued on Sept. 23, was assigned to SEVEE & MAHER ENGINEERS INC. (Cumberland, Maine).

"Systems, apparatuses, and methods for changing a primary extraction location from an aquifer utilizing a custom extended pump sleeve (CEPS)" was invented by Bruce Austin Fowler (Portland, Maine).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, apparatuses, and methods are disclosed for changing a primary extraction location from an aquifer. An elongate tube-like structure has an upper end and a lower end. The upper end is adapted to attach to a well pump above an intake of the well pump. The lower end is adapted to receive water from the aquifer for th...