ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,698, issued on March 31, was assigned to Carman Enterprise Co. Ltd (China).

"Triple sliding" was invented by Xianwei Li (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a load carrier, in particular a load carrier for bicycles and/or luggage, for attachment to the rear side of vehicle, with a basic structure having a basic frame and a coupling device for attachment to a vehicle arranged at a front end of the basic frame, and a sliding frame for receiving a load, in particular for receiving bicycles or a luggage box, wherein the sliding frame is translationally moveable relative to the basic frame betw...