Intellectual Property India Publishes Patent Application for Helium Phase Separation Refrigerator

MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202617051064 A) filed by Zero Point Cryogenics Incorporated on April 22, 2026, for Helium Phase Separation Refrigerator.

Inventors include Davis, John; Kim, Paul; Hirschel, Marvin; and Suranyi, James.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: A cryogenic refrigerator uses a mixture of helium-3 and helium-4. Gaseous helium is pumped from a reservoir containing a liquid mixture of helium-3 and helium-4 to cause cooling and a phase separation into an upper helium-3 rich phase which floats at the top for further evaporation and a lower dilute phase below the helium-3 rich phase. This separation ena...