ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,092, issued on Nov. 18, was assigned to Pressure Wave Systems GmbH (Taufkirchen, Germany).

"Regenerator for a cryo-cooler with helium as a working gas and as a heat-storing material" was invented by Jens Hoehne (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "A regenerator for a cryocooler includes a cell, a flow passage, a capillary and supporting elements. A cell wall encloses a cavity with sub-cavities. A connecting passage connects a first sub-cavity to a second sub-cavity. A first cell partition is disposed between the first and second sub-cavities. The flow passage is also disposed between the first and second sub-cavities. During operat...