US Patent Issued to The Government of the United States of America, as represented by the Secretary of the Navy on Feb. 3 for "Two opening Dewar with desiccant annulus" (California Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,759, issued on Feb. 3, was assigned to The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Two opening Dewar with desiccant annulus" was invented by Christofer Joseph Fackrell (Monterey, Calif.), Anthony Gerard Pollman (Monterey, Calif.) and Douglas Lee Van Bossuyt (Monterey, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dewar includes two coaxial openings of different sizes (e.g., to allow for interfacing with a Stirling cryocooler and a Stirling generator), a polytetrafluoroethylene or glass inner chamber (e.g., to reduce conductive heat transfer, particularly through the dewar ne...