US Patent Issued to PI CERAMIC on March 18 for "Piezoelectric bending actuator drive for use in a moist environment" (German Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,643, issued on March 18, was assigned to PI CERAMIC GMBH (Lederhose, Germany).

"Piezoelectric bending actuator drive for use in a moist environment" was invented by Benjamin Dargatz (Jena, Germany), Kevin Speer (Morsdorf, Germany) and Bernd Broich (Weid, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a piezoelectric drive, such as for permanently protected use in a moist environment, which includes a housing having a chamber, which chamber is hermetically sealed by at least one elastic membrane, and includes a piezoelectric drive unit in the hermetically sealed chamber for driving a drive element. The piezoelectric...