Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163461 | Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods | Redd H. Smith, Anupam Singh | 2015-10-20 |
| 8746373 | Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods | Redd H. Smith, Anupam Singh | 2014-06-10 |
| 8309018 | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies | Redd H. Smith, John H. Stevens, Nicholas J. Lyons, Jimmy W. Eason, Jared D. Gladney +2 more | 2012-11-13 |
| 8079429 | Methods of forming earth-boring tools using geometric compensation and tools formed by such methods | Redd H. Smith, John H. Stevens, Nicholas J. Lyons, Jimmy W. Eason, Oliver Matthews | 2011-12-20 |
| 8065935 | Method of manufacturing a rotary drill bit | William H. Sherwood, Jr., L. Richard Borremans, Robert J. Costo, Jr. | 2011-11-29 |
| 7775287 | Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods | Redd H. Smith | 2010-08-17 |
| 7776256 | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies | Redd H. Smith, John H. Stevens, Nicholas J. Lyons, Jimmy W. Eason, Jared D. Gladney +2 more | 2010-08-17 |
| 7703556 | Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods | Redd H. Smith, Anupam Singh | 2010-04-27 |
| 7681668 | Shrink-fit sleeve assembly for a drill bit, including nozzle assembly and method therefor | James Andy Oxford, John H. Stevens, Redd H. Smith | 2010-03-23 |
| 7520345 | Fixed cutter rotary drill bit including support elements affixed to the bit body at least partially defining cutter pocket recesses | William H. Sherwood, Jr., L. Richard Borremans, Robert J. Costo, Jr. | 2009-04-21 |
| 7216565 | Methods of manufacturing and repairing steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses | William H. Sherwood, Jr., L. Richard Borremans, Robert J. Costo, Jr. | 2007-05-15 |
| 7070011 | Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses | William H. Sherwood, Jr., L. Richard Borremans, Robert J. Costo, Jr. | 2006-07-04 |
| 6651756 | Steel body drill bits with tailored hardfacing structural elements | Robert J. Costo, Jr., James L. Overstreet, Anton F. Zahradnik, Russel S. Smith, Mark E. Morris | 2003-11-25 |
| 6098728 | Rock bit nozzle arrangement | Jennifer Ann Wells, Wayne Lee Baker, Christopher S. Charles, Thomas John Gottschalk, Timothy K. Marvel +2 more | 2000-08-08 |