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:
Aug. 06, 2019
Filed:
Jan. 20, 2017
Applicants:
Joerg Lehr, Lower Saxony, DE;
Erik Anders, Saxony, DE;
Inventors:
Joerg Lehr, Lower Saxony, DE;
Erik Anders, Saxony, DE;
Assignee:
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/15 (2006.01); E21B 10/00 (2006.01);
U.S. Cl.
CPC ...
E21B 7/15 (2013.01); E21B 10/00 (2013.01);
Abstract
A drill bit assembly includes a drill bit body, an insulating layer disposed on an end of the drill bit body and that defines a drill bit face and two electrodes formed such that they both extend from the drill bit face. The two electrodes form a spiral on the drill bit face and are equidistant from each other at all locations of the drill bit face.
Quick Actions:
Lehr, Joerg. (2019). Electrical pulse drill bit having spiral electrodes (U.S. Patent No. 10370903). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10370903
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile