Issued Patents All Time
Showing 26–50 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157283 | Downhole tools having features for reducing balling, and methods of forming such tools | Suresh G. Patel, Chaitanya K. Vempati, Timothy K. Marvel, Bruce Stauffer, George I. Butler | 2015-10-13 |
| 9068407 | Drilling assemblies including expandable reamers and expandable stabilizers, and related methods | L. Allen Sinor, Anders K. Nesheim | 2015-06-30 |
| 9038749 | Tools for use in subterranean boreholes having expandable members and related methods | Khoi Q. Trinh, Li Li | 2015-05-26 |
| 9038748 | Tools for use in subterranean boreholes having expandable members and related methods | Khoi Q. Trinh, S. Richard Gentry | 2015-05-26 |
| 9027650 | Remotely-controlled downhole device and method for using same | John G. Evans, Bruce Stauffer, Johannes Witte | 2015-05-12 |
| 8960333 | Selectively actuating expandable reamers and related methods | Marcus Oesterberg, S. Richard Gentry | 2015-02-24 |
| 8939236 | Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools | Khoi Q. Trinh | 2015-01-27 |
| 8881833 | Remotely controlled apparatus for downhole applications and methods of operation | Khoi Q. Trinh, Jason R. Habernal, R. Keith Glasgow, Jr., John G. Evans, Bruce Stauffer +1 more | 2014-11-11 |
| 8820439 | Tools for use in subterranean boreholes having expandable members and related methods | Khoi Q. Trinh, Li Li | 2014-09-02 |
| 8813871 | Expandable apparatus and related methods | Anurag Gautam, Robert A. Laing | 2014-08-26 |
| 8727041 | Earth-boring tools having expandable members and related methods | — | 2014-05-20 |
| 8657038 | Expandable reamer apparatus including stabilizers | Mark R. Kizziar, Mark A. Jenkins | 2014-02-25 |
| 8657039 | Restriction element trap for use with an actuation element of a downhole apparatus and method of use | Kevin G. Kidder | 2014-02-25 |
| 8584776 | Methods, systems, and tool assemblies for distributing weight between an earth-boring rotary drill bit and a reamer device | Mark E. Anderson, William Thompson, Jim Powers | 2013-11-19 |
| 8464812 | Remotely controlled apparatus for downhole applications and related methods | S. Richard Gentry, Johannes Witte | 2013-06-18 |
| 8459375 | Tools for use in drilling or enlarging well bores having expandable structures and methods of making and using such tools | — | 2013-06-11 |
| 8453763 | Expandable earth-boring wellbore reamers and related methods | Scott Shiquiang Shu, Les T. Shale, Mark E. Morris, Mark R. Kizziar, Anton F. Zahradnik | 2013-06-04 |
| 8297381 | Stabilizer subs for use with expandable reamer apparatus, expandable reamer apparatus including stabilizer subs and related methods | Mark R. Kizziar, Mark A. Jenkins | 2012-10-30 |
| 8230951 | Earth-boring tools having expandable members and methods of making and using such earth-boring tools | Khoi Q. Trinh, Li Li, Mark E. Anderson | 2012-07-31 |
| 8215418 | Expandable reamer apparatus and related methods | — | 2012-07-10 |
| 8205687 | Compound engagement profile on a blade of a down-hole stabilizer and methods therefor | — | 2012-06-26 |
| 8205689 | Stabilizer and reamer system having extensible blades and bearing pads and method of using same | — | 2012-06-26 |
| 8201642 | Drilling assemblies including one of a counter rotating drill bit and a counter rotating reamer, methods of drilling, and methods of forming drilling assemblies | Matthew J. Meiners, Sean K. Berzas | 2012-06-19 |
| 8196679 | Expandable reamers for subterranean drilling and related methods | — | 2012-06-12 |
| 8181722 | Stabilizer assemblies with bearing pad locking structures and tools incorporating same | Kevin G. Kidder, Khoi Q. Trinh | 2012-05-22 |