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. 02, 2026
Filed:
Apr. 06, 2023
Mincon International Limited, Shannon, IE;
Carl Blundell, Byford, AU;
MINCON INTERNATIONAL LIMITED, Shannon, IE;
Abstract
A drill bit assembly for a reverse circulation down-the-hole hammer includes a percussion bit having a head portion with a cutting face at a forward end thereof with engagement means on the head portion for engagement with complementary engagement means on a drive chuck whereby rotational drive from the drive chuck may be transmitted to the percussion bit. Connection means are provided on the drive chuck adapted for connecting the drive chuck to a drive means of the down-the-hole hammer. The percussion bit includes a central bore in fluid communication with the cutting face of the bit for returning a sample of drilled cuttings to the surface, a first plurality of flushing grooves in an outer surface of the head portion, and a second plurality of flushing grooves in an outer surface of the head portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile