Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704335 | Polycrystalline diamond bodies having annular regions with differing characteristics | Andrew Gledhill, Alexanne Johnson | 2020-07-07 |
| 10695892 | PDC cutter with chemical addition for enhanced abrasion resistance | Andrew Gledhill, Valeriy Konovalov | 2020-06-30 |
| 10683706 | Polycrystalline diamond bodies having annular regions with differing characteristics | Andrew Gledhill, Alexanne Johnson | 2020-06-16 |
| 10232493 | Polycrystalline diamond cutting elements having non-catalyst material additions | Andrew Gledhill | 2019-03-19 |
| 10167675 | Polycrystalline diamond cutting elements having lead or lead alloy additions | Andrew Gledhill | 2019-01-01 |
| 10105826 | Methods of making polycrystalline diamond bodies having annular regions with differing characteristics | Andrew Gledhill, Alexanne Johnson, Joseph Michael Rhodes | 2018-10-23 |
| 9920578 | PDC cutter with chemical addition for enhanced abrasion resistance | Andrew Gledhill | 2018-03-20 |
| 9840649 | Single crystal CBN featuring micro-fracturing during grinding | Shuang Ji, Susanne Sowers, Kai Zhang | 2017-12-12 |
| 9476258 | PDC cutter with chemical addition for enhanced abrasion resistance | Andrew Gledhill | 2016-10-25 |
| 9383304 | Laboratory assessment of PDC cutter design under mixed-mode conditions | Andrew Gledhill, Joel Vaughn | 2016-07-05 |
| 9216492 | Functionalization of cubic boron nitride and method of making the same | Kai Zhang | 2015-12-22 |
| 6887144 | Surface impurity-enriched diamond and method of making | Mark P. D'Evelyn, Dong-Sil Park, Thomas R. Anthony, Clifford Spiro, Yue Meng | 2005-05-03 |