ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,038, issued on July 15, was assigned to United States Steel Corp. (Pittsburgh).
"Metallic tubular products with enhanced collapse resistance" was invented by Peter W. Moore (Houston) and Bisen Lin (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Metallic tubular products having improved collapse resistance are disclosed. The metallic tubular products are produced by compressive forming processes. The method comprises identifying the types of stress that can be applied in order to change the residual stress profile of metallic tubular products, such as those that have completed a straightening process, and results in a residual stress prof...