ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,030, issued on June 16, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Linear compressor with a self-aligned coupling" was invented by Gregory William Hahn (Mt. Washington, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A linear compressor may include a driving coil, a mover, a piston, and a coupling. The mover may be positioned adjacent the driving coil. The driving coil may be operable to reciprocate the mover relative to the driving coil. The piston may have a piston head and a cylindrical side wall. The inner surface of the cylindrical side wall may define a ball seat. The coupling may extend between the mover and the...