Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10031056 | Thermomechanical testing of shear cutters | — | 2018-07-24 |
| 9708858 | Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools | William W. King, Gary M. Thigpen, Marvin Windsor Amundsen, Charles Daniel Johnson | 2017-07-18 |
| 9539700 | High temperature high heating rate treatment of PDC cutters | Vamsee Chintamaneni | 2017-01-10 |
| 9469914 | Ultrasound assisted electrochemical catalyst removal for superhard materials | Gary M. Thigpen, Michael R. Reese | 2016-10-18 |
| 9447642 | Polycrystalline diamond material with high toughness and high wear resistance | Yi Fang, Michael Stewart, Nephi Mourik, Peter Thomas Cariveau | 2016-09-20 |
| 9423370 | Use of capacitance to analyze polycrystalline diamond | Vamsee Chintamaneni | 2016-08-23 |
| 9423436 | Method and apparatus to assess the thermal damage caused to a PCD cutter using capacitance spectroscopy | Vamsee Chintamaneni | 2016-08-23 |
| 9394747 | PCD cutters with improved strength and thermal stability | William W. King, James U. Nixon | 2016-07-19 |
| 9377428 | Non-destructive leaching depth measurement using capacitance spectroscopy | Vamsee Chintamaneni | 2016-06-28 |
| 9359824 | Method for reducing intermetallic compounds in matrix bit bondline | Gary M. Thigpen, Marvin Windsor Amundsen, Olivier Ther, Alfazazi Dourfaye, Bruno Cuillier De Maindreville +1 more | 2016-06-07 |
| 9297731 | Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard material inserts | — | 2016-03-29 |
| 9249059 | High temperature high heating rate treatment of PDC cutters | Vamsee Chintamaneni | 2016-02-02 |
| 9175521 | Functionally leached PCD cutter and method for fabricating the same | — | 2015-11-03 |
| 9128031 | Method to improve the leaching process | Vamsee Chintamaneni | 2015-09-08 |
| 9086348 | Downhole acoustic emission formation sampling | Gary M. Thigpen, Alfazazi Dourfaye, William W. King | 2015-07-21 |
| 8936115 | PCD cutter with fins and methods for fabricating the same | — | 2015-01-20 |
| 8695733 | Functionally graded polycrystalline diamond insert | Yi Fang, Michael Stewart, Nephi Mourik, Peter Thomas Cariveau | 2014-04-15 |
| 8596124 | Acoustic emission toughness testing having smaller noise ratio | — | 2013-12-03 |
| 8579053 | Polycrystalline diamond material with high toughness and high wear resistance | Yi Fang, Michael Stewart, Nephi M. Mourik, Peter Thomas Cariveau | 2013-11-12 |
| 8573330 | Highly wear resistant diamond insert with improved transition structure | Nephi M. Mourik, Peter Thomas Cariveau, Yi Fang | 2013-11-05 |
| 8522900 | High toughness thermally stable polycrystalline diamond | — | 2013-09-03 |
| 8434346 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Michael R. Reese, Alfazazi Dourfaye, Gary M. Thigpen | 2013-05-07 |
| 8434347 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Michael R. Reese, Alfazazi Dourfaye, Gary M. Thigpen | 2013-05-07 |
| 8434348 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Michael R. Reese, Alfazazi Dourfaye, Gary M. Thigpen | 2013-05-07 |
| 8397572 | Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard materials | — | 2013-03-19 |