ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,460, issued on June 24, was assigned to Xcad Valve & Irrigation Inc. (Rupert, Idaho).
"Irrigation saddle annular seal face" was invented by Don D. Duffin (Paul, Idaho) and Roger M. Duffin (Paul, Idaho).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe coupler having a saddle for connecting to a riser adapter for use in an irrigation system to distribute water. A dynamic seal is positioned in a circumferential channel of the riser adapter on the outer surface of a flange or projection that is positioned into the circular mount of the saddle. In response to water pressure against the dynamic seal, the dynamic seals the connection between the riser ...