ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,727, issued on Oct. 7, was assigned to SIEMENS ENERGY GLOBAL GMBH & Co. KG (Munich).

"Rotor structure and methodology for assembly or disassembly of such rotor structure" was invented by Kevin Miny (Essen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Turbomachine and method for assembling/disassembling a rotor structure of the turbomachine are disclosed. A plurality of impeller bodies is supported on a tie bolt. Threadingly connecting a first coupling nut with the tie bolt to axially press the impeller bodies to define a compression section. The first coupling nut is arranged to apply a first coupling force within the compression section to...