Issued Patents All Time
Showing 1–25 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8485279 | Impactor excavation system having a drill bit discharging in a cross-over pattern | Greg Galloway, Jim Terry | 2013-07-16 |
| 8353367 | Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring perforating, assisting annular flow, and associated methods | Greg Galloway, Adrian Vuyk, Jr., James Terry | 2013-01-15 |
| 8353366 | Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods | Greg Galloway, Adrian Vuyk, Jr., James Terry | 2013-01-15 |
| 8186456 | Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods | Greg Galloway, Adrian Vuyk, Jr., James Terry | 2012-05-29 |
| 8113300 | Impact excavation system and method using a drill bit with junk slots | — | 2012-02-14 |
| 8037950 | Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods | Greg Galloway, Adrian Vuyk, Jr., James Terry | 2011-10-18 |
| 7997355 | Apparatus for injecting impactors into a fluid stream using a screw extruder | Adrian Vuyk, Jr., Jim Terry, Nathan J. Harder, Gregory G. Galloway | 2011-08-16 |
| 7987928 | Injection system and method comprising an impactor motive device | Adrian Vuyk, Jr., Greg Galloway, Jim Terry, Kenneth W. Colvin, Thomas Alan Carlson | 2011-08-02 |
| 7980326 | Method and system for controlling force in a down-hole drilling operation | Greg Galloway, Adrian Vuyk, Jr., Thomas Alan Carlson | 2011-07-19 |
| 7909116 | Impact excavation system and method with improved nozzle | — | 2011-03-22 |
| 7798249 | Impact excavation system and method with suspension flow control | — | 2010-09-21 |
| 7503407 | Impact excavation system and method | — | 2009-03-17 |
| 7383896 | Impact excavation system and method with particle separation | — | 2008-06-10 |
| 7343987 | Impact excavation system and method with suspension flow control | — | 2008-03-18 |
| 7258176 | Drill bit | Paul O. Padgett, Harry B. Curlett, Samuel Curlett, Nathan J. Harder | 2007-08-21 |
| 6742611 | Laminated and composite impregnated cutting structures for drill bits | Roland Illerhaus | 2004-06-01 |
| 6594881 | Bit torque limiting device | — | 2003-07-22 |
| 6527065 | Superabrasive cutting elements for rotary drag bits configured for scooping a formation | Craig H. Cooley | 2003-03-04 |
| 6458471 | Reinforced abrasive-impregnated cutting elements, drill bits including same and methods | Lorenzo G. Lovato | 2002-10-01 |
| 6450271 | Surface modifications for rotary drill bits | Danny E. Scott, James L. Overstreet, Terry J. Kolterman, Chih Lin, James Andy Oxford +1 more | 2002-09-17 |
| 6390211 | Variable orientation nozzles for earth boring drill bits, drill bits so equipped, and methods of orienting | — | 2002-05-21 |
| 6357538 | Bit torque limiting device | — | 2002-03-19 |
| 6338390 | Method and apparatus for drilling a subterranean formation employing drill bit oscillation | — | 2002-01-15 |
| 6325163 | Bit torque limiting device | — | 2001-12-04 |
| 6298930 | Drill bits with controlled cutter loading and depth of cut | L. Allen Sinor, Wayne R. Hansen, Mark W. Dykstra, Craig H. Cooley | 2001-10-09 |