US Patent 11686063 Interlocking blocking system for retaining walls and other uses

An interlocking blocking system includes a plurality of interlocking blocks. Each of the interlocking blocks includes a tapered opening, a protruding bottom, and a hollow tapered inside. The tapered opening is through a top surface of the interlocking block. The protruding bottom extends beyond a bottom surface of the interlocking block. The protruding bottom includes a tapered outer surface, a thickness, and an inner tapered surface. The hollow tapered inside extends from the tapered opening on the top surface and tapers into the inner tapered surface of the protruding bottom. The tapered outer surface of the protruding bottom is shaped and sized to match and fit inside of the tapered opening at the top surface of the interlocking block. Wherein the plurality of interlocking blocks are configured to be stacked onto one another.