ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,844, issued on Nov. 25, was assigned to STRATUM RESERVOIR (US) LLC (Houston).
"Gas sampling valve apparatus and method" was invented by Gavin Steele (White Heath, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve assembly and chuck system for a gas sampling apparatus. In one embodiment, the apparatus may comprise a valve assembly comprising a first core valve, wherein a pin of the first core valve is biased to a first closed position; a chuck system comprising a second core valve, wherein a pin of the second core valve is biased to a first closed position; and a transfer tube housed within the chuck system, wherein the transfer tube provid...