ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,544, issued on Nov. 11, was assigned to American Sterilizer Co. (Mentor, Ohio).
"Pinch valve including guide rollers" was invented by Ethan K. Lange (Painesville, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pinch valve includes a housing, first and second pinch bars, an actuator, a first front roller and a first rear roller. The actuator translates the first and second pinch bars relative to one another along a translation axis to pinch a flexible tube extending through an opening of the housing. The first front roller and the first rear roller are spaced from one another in the direction of a longitudinal axis. The first front roller exte...