US Patent Issued to 1372934 B.C. on July 7 for "Systems and methods for cryogenic refrigeration" (Canadian Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,274, issued on July 7, was assigned to 1372934 B.C. LTD. (Burnaby, Canada).

"Systems and methods for cryogenic refrigeration" was invented by Jacob Craig Petroff (Burnaby, Canada) and Richard G. Harris (North Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for improving the performance of dilution refrigeration systems are described. Filters and traps employed in the helium circuit of a dilution refrigerator may be modified to improve performance. Some traps may be designed to harness cryocondensation as opposed to cryoadsorption. A cryocondensation trap employs a cryocondensation surface having a high thermal con...