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:
Jan. 22, 2019
Filed:
Mar. 28, 2011
Applicant:
Thomas Östling, Eskilstuna, SE;
Inventor:
Thomas Östling, Eskilstuna, SE;
Assignee:
Epiroc Rock Drills Aktiebolag, Orebro, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 1/02 (2006.01); B25D 17/06 (2006.01); B25D 17/24 (2006.01);
U.S. Cl.
CPC ...
E21B 1/02 (2013.01); B25D 17/06 (2013.01); B25D 17/245 (2013.01); B25D 2217/0019 (2013.01);
Abstract
Rock drilling machine () comprising a piston that is arranged to move back and forth in a chamber () when the rock drilling machine () is in use, a cavitation-sensitive component (), and an oil channel that is arranged to extend between the chamber () and said cavitation-sensitive component (). The oil channel comprises a series of restrictions () and oil volumes () to hinder the movement of cavitation bubbles through said oil channel.
Östling, Thomas. (2019). Rock drilling machine and use thereof for hindering occurrence and spreading of cavitation bubbles (U.S. Patent No. 10184294). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10184294
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile