ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,866, issued on April 7, was assigned to Mueller International LLC (Atlanta).
"Compression pipe fitting" was invented by Ryan Fairchild Larson (Decatur, Ill.) and Rock Allen Powell Jr. (Mr. Zion, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compression fitting including a body portion defining a first end portion, and a grip ring assembly with a grip ring disposed within the first end portion, the grip ring being movable from a first axial position to a second axial position with respect to the longitudinal center axis of the first end portion, wherein the grip ring is disposed in the first axial position when the compression fitting is in a...