US Patent Issued to Robert Bosch on Nov. 3 for "Drilling tool with dust removal sleeve" (German Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,735, issued on Nov. 3, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Drilling tool with dust removal sleeve" was invented by Stefan Sonntag (Vogt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drilling tool, in particular a rock drill, extends along a longitudinal axis and includes a drill head, an insertion end, a main body, a sleeve element, a conveying portion arranged between the drill head and the insertion end, and at least one conduit that extends along the conveying portion. The conduit is located radially between the sleeve element and the main body. The sleeve element is rotatably mounted on the main body."

The patent...