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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Laird; Tommy
Address:
Cypress, TX
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
7963348 Expandable earth boring apparatus using impregnated and matrix materials for enlarging a borehol June 21, 2011
A tool for enlarging a borehole that includes an elongated tubular body; at least one movable arm affixed to the tubular body, the at least one movable arm comprising an outer surface formed of at least one of a matrix material and an abrasive material; and at least one actuating mem
7954564 Placement of cutting elements on secondary cutting structures of drilling tool assemblies June 7, 2011
A secondary cutting structure for sure in a drilling assembly, the secondary cutting structure including a tubular body and a block, extendable from the tubular body, the block including a first arrangement of cutting elements disposed on a first blade and a second arrangement of cut
7770664 Wear indicators for expandable earth boring apparatus August 10, 2010
An expandable underreamer apparatus disposed on a distal end of a drillstring and configured to drill a formation includes a substantially tubular main body adjacent a cutting head, the main body providing at least one axial recess configured to receive an arm assembly, and the arm a










 
 
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