Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066087 | Thermally stable ultra-hard material compact constructions | Anthony Griffo, Youhe Zhang, Yuelin Shen, Michael Janssen | 2011-11-29 |
| 8028771 | Polycrystalline diamond constructions having improved thermal stability | Anthony Griffo, Yuelin Shen, Youhe Zhang | 2011-10-04 |
| 8020644 | Thermally stable polycrystalline diamond materials, cutting elements incorporating the same and bits incorporating such cutting elements | — | 2011-09-20 |
| 8002859 | Manufacture of thermally stable cutting elements | Anthony Griffo | 2011-08-23 |
| 7946363 | Thermally stable polycrystalline diamond cutting elements and bits incorporating the same | Youhe Zhang, Yuelin Shen, Michael G. Azar | 2011-05-24 |
| 7942219 | Polycrystalline diamond constructions having improved thermal stability | Ronald K. Eyre, Anthony Griffo, Peter Thomas Cariveau | 2011-05-17 |
| 7862634 | Polycrystalline composites reinforced with elongated nanostructures | J. Daniel Belnap, Guodong Zhan, Xiayang Sheng, Youhe Zhang, Harry H. Pratt +1 more | 2011-01-04 |