ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,237, issued on Dec. 23, was assigned to THERMOLIFT INC. (Novi, Mich.).

"Multi-tiered regenerator" was invented by Akshay Jadhav (Ann Arbor, Mich.), Haocheng Yang (Novi, Mich.), Haoxiang Yang (Novi, Mich.), Kevin Mumpower (Livonia, Mich.) and Peng Shi (Canton, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-layered regenerator for adjusting temperature of gas or fluid flowing therethrough is provided. The regenerator includes a cover portion and a base portion, each of the cover portion and the base portion comprising a plurality of apertures permitting gas or fluid to flow from a top to a bottom of the multi-layered regenerator, and fro...