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:
Jun. 08, 2021
Filed:
May. 31, 2018
Applicant:
Sandvik Intellectual Property Ab, Sandviken, SE;
Inventor:
Olivier Bruandet, Tampere, FI;
Assignee:
SANDVIK INTELLECTUAL PROPERTY AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 1/30 (2006.01); E21B 1/24 (2006.01); E21B 1/12 (2006.01); E21B 1/38 (2006.01); E21B 4/14 (2006.01); E21B 1/00 (2006.01); E21B 7/02 (2006.01); E21B 21/10 (2006.01);
U.S. Cl.
CPC ...
E21B 4/14 (2013.01); E21B 1/00 (2013.01); E21B 1/12 (2020.05); E21B 1/24 (2020.05); E21B 1/30 (2020.05); E21B 1/38 (2020.05); E21B 7/02 (2013.01); E21B 21/10 (2013.01);
Abstract
A down the hole rock drilling machine and a method of drilling rock. The drilling machine includes a reciprocating piston, which has a sleeve-like configuration. Inside a central opening of the piston is arranged one or more fluid passages for conveying pressurized fluid during the work cycle of an impact device of the drill machine.
Bruandet, Olivier. (2021). Down the hole drilling machine and method for drilling rock (U.S. Patent No. 11028643). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11028643
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile