ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,223, issued on Jan. 13, was assigned to MAHLE INTERNATIONAL GMBH (Germany).

"Balanced rolling piston compressor with central mass reductions for improved compressor stability" was invented by Corey Van Auken (Buffalo, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric compressor includes a housing and a compression device. The housing defines an intake volume and a discharge volume. The compression device is a rotary-type compression device configured to compress refrigerant. The compression device includes a piston device including a cylinder and a rolling piston. The cylinder is eccentrically coupled to a drive shaft. The rolling pist...