ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,705, issued on March 11, was assigned to Chart Inc. (Ball Ground, Ga.).
"Device and method for filling cryogenic tanks" was invented by Logan Spencer (Woodstock, Ga.) and Erik Gustafson (Woodstock, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A body structure includes an inlet port that receives fluid from a delivery device, a top-fill outlet port that connects to a top-fill line in communication with a cryogenic tank, a bottom-fill port that connects to a bottom-fill line in communication with a cryogenic tank and a slider tube cylinder. A cylinder housing is connected to the body structure and has a pressure comparison cylinder with an uppe...