US Patent Issued to Geopier Foundation on June 3 for "Methods and apparatuses for compacting soil and granular materials" (North Carolina Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,090, issued on June 3, was assigned to Geopier Foundation Co. Inc. (Davidson, N.C.).

"Methods and apparatuses for compacting soil and granular materials" was invented by David J. White (Davidson, N.C.) and Kord J. Wissmann (Davidson, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for densifying and compacting granular materials comprising a drive shaft having a first diameter and a compaction end, and a set of one or more diametric expansion elements attached to an exterior of the compaction end of the drive shaft, wherein the one or more diametric expansion elements, in their expanded state, form compaction surfaces having a second...