ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,723, issued on June 3, was assigned to AMETEK INC. (Berwyn, Pa.).
"Apparatus for measurement of capillary pressure in a porous sample" was invented by Phillip Naegele (Claremore, Okla.), William J. Willems (Broken Arrow, Okla.) and Tom Hicks (Tulsa, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A capillary pressure measurement device includes a centrifuge having a rotating apparatus adapted to hold porous media samples and to test the samples under centrifugal motion during rotation of the rotating apparatus. A fluid capture device disposed adjacent to each porous media sample receives fluid displaced from the sample due to centrifugal motion ...