ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,882, issued on Feb. 18, was assigned to Maschinenfabrik Rieter AG (Winterthur, Switzerland).
"Carder" was invented by Peter Anderegg (Winterthur, Switzerland), Christian Sauter (Flurlingen, Switzerland) and Thomas Walther (Winterthur, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A carder includes a machine frame, a controller, and a drum provided with a clothing on an outer surface thereof. Working elements are disposed relative to the outer surface of the drum. The drum includes two stub axles or a continuous axial along a longitudinal axis thereof, the continuous axle having a first end and an opposite second end and each of the stub...