ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,165, issued on Aug. 12, 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 has a drum formed as a hollow cylinder having a drum wall, a longitudinal axis, a circumference, an outer surface, a length, and a clothing provided on the outer surface. Working elements are arranged relative to the outer surface of the drum. Stub axles or a continuous axle is formed along the longitudinal axis of the drum and connected to the drum wa...