ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,824, issued on Aug. 5, was assigned to Vermeer Manufacturing Co. (Pella, Iowa).
"HDD reamer having removable cutting teeth" was invented by Jacob Richard Smith (Altoona, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reamer for drill string pullback of a horizontal directional drill includes a shaft portion defining a central axis and a first end configured for attachment with a drill string of the horizontal directional drill. A plurality of vanes extend radially from an outer periphery of the shaft, each of the plurality of vanes defining an outer peripheral tooth base surface. On each of the plurality of vanes, a plurality of cutter teeth a...