logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11691204 B1

PDFFull Text
Date of Patent:
Jul. 04, 2023

Filed:

Jun. 20, 2018

Drill for chiseling stone

Applicant:

Hilti Aktiengesellschaft, Schaan, LI;

Inventors:

Klaus-Peter Bohn, Schaan, LI;

Roland Foser, Ruggell, LI;

Markus Hartmann, Mauerstetten, DE;

Bastian Pluemacher, Schwabmuenchen, DE;

Assignee:

Hilti Aktlengesellschaft, Schaan, LI;

Attorney:

Crowell & Moring LLP

Primary Examiner:

Robert F Long

Int. Cl.
CPC ...
B25D 17/20 (2006.01); B23B 51/02 (2006.01); E21B 10/36 (2006.01); B28D 1/14 (2006.01); B28D 1/26 (2006.01); B25D 17/02 (2006.01);
U.S. Cl.
CPC ...
B23B 51/02 (2013.01); B25D 17/02 (2013.01); B25D 17/20 (2013.01); B28D 1/146 (2013.01); B28D 1/26 (2013.01); E21B 10/36 (2013.01); B23B 2222/28 (2013.01); B23B 2226/75 (2013.01); B23B 2251/68 (2013.01); B25D 2217/0003 (2013.01); B25D 2222/51 (2013.01);
Abstract

A drill bit for chiseling stone includes an impact face at an insertion end of the drill bit, a hollow shank, where a delivery passage is defined within the hollow shank, and a drill head, where the drill head has, at a front end of the drill head, a cutting edge, an intake opening, and an intake passage. The intake passage connects the intake opening to the delivery passage. A cross section of the intake passage increases from the intake opening to the delivery passage.

Find Patent Forward Citations

Bohn, Klaus-Peter. (2023). Drill for chiseling stone (U.S. Patent No. 11691204). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11691204

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…