ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,279, issued on May 13, was assigned to LANZHOU UNIVERSITY (Lanzhou, China).

"Testing method for layered strength of Roebel single-strands" was invented by Huadong Yong (Lanzhou, China), Donghui Liu (Lanzhou, China), Wanbo Wei (Lanzhou, China) and Jun Zhou (Lanzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A testing method for layered strength of Roebel single-strands is provided, which relates to the field of material strength testing technologies. The testing method includes: preparing multiple Roebel single-strands as multiple testing samples; preparing multiple anvil heads, and welding the multiple anvil heads and the multiple testing...