ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,442, issued on March 18, was assigned to Mueller International LLC (Atlanta).
"Pit assembly" was invented by Harold Thomas Mosley (Ooltewah, Tenn.), Clay Evan Bowman (Ooltewah, Tenn.) and Timothy Bain Ervin (Apison, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for using a fluid testing system in fluid communication with a fluid piping system includes providing a pit housing, the pit housing defining an interior pit cavity, a curb stop valve of a curb stop assembly mounted within the interior pit cavity; opening the curb stop valve to permit fluid to flow through the curb stop valve and into a sampling pipe, the sampling pipe at lea...