ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,725, issued on Aug. 26, was assigned to Cre 8 Technologies Ltd. (Auckland, New Zealand).

"Multi-phase rotor, system and method for maintaining a stable vapour cavity" was invented by Alan Buys (Auckland, New Zealand) and Clifford Roy Warner (Auckland, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-phase rotor comprising a disk body, an inlet to receive a liquid into the rotor, and at least one outlet configured to expel the liquid from the internal rotor cavity. A flow path is provided between the inlet and the at least one outlet by a liquid intake channel and internal rotor cavity. The rotor is configured to be rotatable about ...