US Patent Issued to ADTEX on June 30 for "Freezing circuit" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,274, issued on June 30, was assigned to ADTEX Inc. (Gunma, Japan).

"Freezing circuit" was invented by Hiroshi Mukaiyama (Gunma, Japan) and Hiroo Sato (Gunma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a refrigeration circuit capable of stably generating a magnetic field from a coil of a magnetic field generation device for a long period of time. The refrigeration circuit includes a compressor (11), a condenser (12), an expansion valve (13), an evaporator connected to each other through a refrigerant pipe (10). The evaporator is formed from a coil (14) formed with multiple through-holes (21) in which refrigerant flows, having a ...