ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,281, issued on May 13, was assigned to Gene Pool Technologies Inc. (Hamden, Conn.).

"Solvent extraction apparatuses and methods" was invented by David McGhee (Monument, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed embodiments include systems and methods for the solvent extraction of a substance from a material. The disclosed systems include multiple tanks and an extraction column in communication with the tanks. Solvent transport is accomplished via pressure differentials that are established between or among tanks to cause the solvent to be transported between or among said tanks."

The patent was filed on Oct. 1, 2020, under ...