US Patent Issued to Ernst & Young U.S. on April 22 for "Systems and methods of liquid extraction from empty barrels" (Missouri Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,004, issued on April 22, was assigned to Ernst & Young U.S. LLP (New York).

"Systems and methods of liquid extraction from empty barrels" was invented by Zachary James Hagan (Lee's Summit, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described herein relate to systems and methods of extracting liquid from empty barrels. In one aspect, a method includes heating a barrel with less than about 10 ml of free liquid disposed therein to expand pores in the barrel. The method further includes applying, after the heating, a negative pressure to an interior of a vessel in which the barrel is disposed, such that an amount of liquid is extracte...