US Patent Issued to Guehring on Nov. 25 for "Twist drill bit having a cutting tip with a stepped structure" (German Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,036, issued on Nov. 25, was assigned to Guehring KG (Albstadt, Germany).

"Twist drill bit having a cutting tip with a stepped structure" was invented by Markus Kraus (Burladingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Twist drill bit having a cutting tip (3) with a stepped structure, consisting of a shank (1), a guide region (2) and the adjoining cutting tip (3) with a stepped structure, the stepped structure of which is interrupted by two flutes (5) winding about a drill bit axis (0), wherein the cutting tip (3) with a stepped structure has a drill bit tip (3.1) with a radius (r0), at which a pair of first main lips (4.1) are forme...