US Patent Issued to Pier Tech Systems on June 23 for "Foundation support system shafts, assemblies and methods with asymmetric torque transmitting distal end edge teeth" (Missouri Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,790, issued on June 23, was assigned to Pier Tech Systems LLC (Chesterfield, Mo.).

"Foundation support system shafts, assemblies and methods with asymmetric torque transmitting distal end edge teeth" was invented by Kevin Kaufman (Des Peres, Mo.) and Michael D. Wilkis (Ellisville, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A foundation support system includes a hollow foundation support shaft formed with a first axial length and a first torque transmitting distal end edge including an asymmetric torque transmitting tooth. The asymmetric torque transmitting tooth includes a forward torque transmitting edge portion and a rearward force transmi...