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.:
Date of Patent:
Nov. 30, 2021
Filed:
Jan. 03, 2019
Applicant:
Element Six Gmbh, BURGHAUN, DE;
Inventors:
Bernd Heinrich Ries, Burghaun, DE;
Hauke Hinners, Burghaun, DE;
Ian Grenbjörk, Avesta, SE;
Tomas Rostvall, Stockholm, SE;
Assignee:
ELEMENT SIX GMBH, Burghaun, DE;
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/38 (2006.01); E21B 10/56 (2006.01);
U.S. Cl.
CPC ...
E21B 10/38 (2013.01); E21B 10/56 (2013.01);
Abstract
This disclosure relates to a percussive drill bit comprising PCD studs and a hard facing material that is strategically located to minimise stud pop outs and the amount of hard facing material used.