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:
Oct. 20, 2026
Filed:
Nov. 16, 2023
Sandvik Mining and Construction Oy, Tampere, FI;
Olivier Bruandet, Tampere, FI;
Sandvik Mining and Construction Oy, Tampere, FI;
Abstract
A down the hole drilling assembly includes a drill bit, a shank, a driver sub, a flushing passage sub, at least one flushing channel, and a sealing element arranged in the flushing passage extending radially from the outer surface of the shank to the inner surface of the driver sub. The flushing passage and the at least one flushing channel are configured to allow a flow of fluid from the flushing passage to the at least one flushing channel in a flow direction of the fluid. The sealing element is positioned above an inlet port of the at least one flushing channel along the flow direction and wherein the sealing element is configured to prevent a flow of fluid in a direction opposite to the flow direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile