ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,295, issued on May 19, was assigned to Edgewell Personal Care Brands LLC (Chesterfield, Mo.).

"Four-dimensional analysis system, apparatus, and method" was invented by Alexander O'Connor (Cincinnati) and Richard Timmers (Saddle Brook, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for measuring fluid absorption and retention properties of various samples having one or more materials, layers and/or articles. The system includes an optically or radiographically transparent fixture. The system enables measuring voxels having a grayscale value that demonstrate a difference in fluid densities and thereby enable the study of fluid flow and mo...