ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,065, issued on March 25, was assigned to Levitronix GmbH (Zurich).

"Pinch valve system" was invented by Peter Mayr (Baden, Switzerland) and Thomas Schneeberger (Bern, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pinch valve system includes a closing element arranged in an axial direction and includes a closing piece, a permanent magnetic holding device to hold the closing element by a permanent magnetic force in an open or closed position, without energy being supplied to the permanent magnetic holding device, an electromagnetic actuating device to carrying out a switching process, with which the closing element is configured to be ...