US Patent Issued to The Swatch Group Research and Development on June 24 for "Rotary piezoelectric motor, in particular for watchmaking" (Swiss Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,443, issued on June 24, was assigned to The Swatch Group Research and Development Ltd (Marin, Switzerland).

"Rotary piezoelectric motor, in particular for watchmaking" was invented by Jean-Jacques Born (Morges, Switzerland), Yvan Ferri (Lausanne, Switzerland), Alexandre Didier (Erlach, Switzerland), Lionel Paratte (Marin-Epagnier, Switzerland) and Leonard Testori (Bienne, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary piezoelectric motor (1), in particular for a timepiece, including a rotor (3) configured to rotate and actuate a mechanical device, and a stator (2) configured to rotate the rotor (3), the stator (2) including a pi...