ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,716, issued on Dec. 9, was assigned to TOMORROW'S MOTION GMBH (Starnberg, Germany).

"Fluid pump and force generator arrangement with such a fluid pump" was invented by Lutz May (Berg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid pump for generating a fluid stream includes a first actuator with a first vibration element, a second actuator with a second vibration element, and a power source supplying energy to the first and second actuators. The pump further includes a controller that is connected to the source and controls the source to vary the energy supplied to the first and second actuators. The first and second actuators are arr...