ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,900, issued on April 29, was assigned to Zeus Co. LLC (Orangeburg, S.C.).

"Controlled tubing expansion and surface engineering" was invented by James M. Lindsey (Lexington, S.C.), Bruce L. Anneaux (Lexington, S.C.) and Zahidul Wahab (Orangeburg, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides methods for expanding a polymeric tube using one or more deformable members. The methods can involve disposing the polymeric tube within the one or more deformable members and radially deforming the polymeric tube and the one or more deformable members. The rate of deformation of the polymeric tube and/or the extent of deformation of ...