US Patent Issued to Leybold Dresden on March 24 for "Cryogenic refrigeration system and cryogenic pump" (German Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,670, issued on March 24, was assigned to Leybold Dresden GMBH (Dresden, Germany).

"Cryogenic refrigeration system and cryogenic pump" was invented by Michael Hampel (Dresden, Germany) and Sirko Kamusella (Dresden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cryogenic refrigeration system and method are disclosed. The cryogenic refrigeration system comprises: a refrigerator unit comprising an expansion unit and a variable speed compressor configured to compress refrigerant. The variable speed compressor is configured to receive refrigerant from the refrigerator unit via a lower pressure line and to supply compressed refrigerant to the r...