ISO 9001:2015 Certified

Old Patent Page

DOWN-THE-HOLE DRILL DRIVE COUPLING

PATENT NUMBER EXPIRATION DATE COUNTRY
2,718,669 March 31, 2029 Canada
2009231791 March 31, 2029 Australia
2012203653 March 31, 2029 Australia
CL 49631 (1015 2010) September 28, 2030 Chili

SELF-INDEXING DOWN-THE-HOLE DRILL

PATENT NUMBER EXPIRATION DATE COUNTRY
8,397,839 July 16, 2030 United States

DOWN-THE-HOLE DRILL REVERSE EXHAUST SYSTEM

PATENT NUMBER EXPIRATION DATE COUNTRY
8,302,707 August 16, 2029 United States
2010208528 January 14, 2030 Australia
10-1312287 (10-2011-7019644) January 14, 2030 Korea

DOWN-THE-HOLE DRILL HAMMER HAVING A REVERSE EXHAUST SYSTEM AND SEGMENTED CHUCK ASSEMBLY

PATENT NUMBER EXPIRATION DATE COUNTRY
2010322100 November 17, 2030 Australia
2,777,356 November 17, 2030 Canada
12012/02755 November 17, 2030 South Africa
8,800,690 April 25, 2030 United States

DOWN-THE-HOLE DRILL HAMMER HAVING A SLIDING EXHAUST CHECK VALVE

PATENT NUMBER EXPIRATION DATE COUNTRY
8,622,152 April 25, 2030 United States
2011235927 October 20, 2031 Australia
2,755,592 October 20, 2031 Canada

DOWN-THE-HOLE DRILL HAMMER HAVING AN EXTENDABLE DRILL BIT

PATENT NUMBER EXPIRATION DATE COUNTRY
8,439,135 April 2, 2031 United States

DRILL BIT

PATENT NUMBER EXPIRATION DATE COUNTRY
D656,974 April 1, 2026 United States

PRESSURE CONTROL CHECK VALVE FOR A DOWN-THE-HOLE DRILL HAMMER

PATENT NUMBER EXPIRATION DATE COUNTRY
8,631,884 March 2, 2031 United States
2,742,024 June 3, 2031 Canada
2011/03973 May 30, 2031 South Africa

TRADEMARKS

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Center Rock Inc.
CRI
Drill Faster, Run Harder, Work Smarter
Cyclops
LP DRILL
Hydro-Jaw
Air On Wheels
Rock Xtreme
Center Rock Force
Hammer Honey
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