ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,988, issued on July 1, was assigned to Seiko Epson Corp. (Tokyo).

"Flow path unit and liquid ejecting device" was invented by Ryo Kawakami (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a flow path unit, ink flows toward a recording head that ejects the ink. The flow path unit includes a flow path portion, a temperature adjustment unit, and a compression coil spring. The flow path portion is formed of metal and includes a supply pipe through which the ink flows. The temperature control unit heats the supply pipe. The compression coil spring is formed of metal and is attached to an inner surface of the supply pipe. The ink can com...