US Patent Issued to JAMMY LIFE on April 29 for "Method and apparatus for layer-by-layer filling and compacting cohesive building materials in layers in boreholes" (German Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,763, issued on April 29, was assigned to JAMMY LIFE GMBH (Berlin).

"Method and apparatus for layer-by-layer filling and compacting cohesive building materials in layers in boreholes" was invented by Rainer Dallwig (Potsdam, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is used for the layer-by-layer filling and compaction of cohesive building materials, in particular of cohesive earth building materials, in at least one borehole near the surface. The cohesive building material is introduced into the at least one borehole and is compacted layer-by-layer using a conveying device comprising a stuffing piston driven by means of a push c...