ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,080, issued on March 25, was assigned to Universal Moulding Co. Ltd. (Port Coquitlam, Canada).
"Pipe thread protector with removable end member and interference-fit protrusion" was invented by John Danneffel (Port Coquitlam, Canada) and Max Danneffel (Port Coquitlam, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a pipe thread protector according to a first aspect. The pipe thread protector includes a tubular body shaped to protect a threaded end portion of a pipe or a pipe coupling. The tubular body includes an inner portion with a first of right-handed and left-handed threading. The tubular body includes an outer portion ...