ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,867, issued on May 13, was assigned to Dover Pumps & Process Solutions Segment Inc. (Downers Grove, Ill.).
"Functionally graded composite structures" was invented by Burak Bekisli (The Woodlands, Texas) and Tanil Ozkan (Pearland, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite ring includes a first region including a first polymeric material; a second region including a second polymeric material; and an interfacial region defining a compositional gradient between the first region and the second region; wherein a wear resistance of the first region is different from a wear resistance of the second region. A composite bearing includes...