ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,846, issued on Oct. 21, was assigned to GOOD WATER HOLDINGS PTY LTD. (Western Australia, Australia).
"Centre bypass mud hammer" was invented by Warren Ross Strange (Claremont, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mud hammer including a piston barrel including at least one exhaust port configured to receive a single flow of drilling fluid including drilling mud, a piston positioned within the piston barrel and configured to move in a reciprocating motion operated by a first portion of the drilling fluid, a bypass tube disposed through the piston and in fluid communication with a drill bit, an adjustable valving set configured to...