ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,570, issued on July 1, was assigned to RAPID RAPPEL TECHNOLOGY AS (Norway).
"Descent control device" was invented by Morten Mondahl (Stjordal, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a descent control device comprising a housing, wherein the housing comprises a rope entrance and a rope exit located at opposite sides of the housing, a channel having at least one curvature of at least 180 degrees, for accommodating the rope internally in the housing, and an element arranged in the center of the curvature, limiting the inner radius of the channel. The element is non-concentrically rotatable between a free position ...