Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066087 | Thermally stable ultra-hard material compact constructions | Madapusi K. Keshavan, Youhe Zhang, Yuelin Shen, Michael Janssen | 2011-11-29 |
| 8056650 | Thermally stable ultra-hard material compact construction | Stewart N. Middlemiss, J. Daniel Belnap, Nephi M. Mourik, Thomas W. Oldham | 2011-11-15 |
| 8028771 | Polycrystalline diamond constructions having improved thermal stability | Madapusi K. Keshavan, Yuelin Shen, Youhe Zhang | 2011-10-04 |
| 8021721 | Composite coating with nanoparticles for improved wear and lubricity in down hole tools | — | 2011-09-20 |
| 8002859 | Manufacture of thermally stable cutting elements | Madapusi K. Keshavan | 2011-08-23 |
| 7997358 | Bonding of cutters in diamond drill bits | Saul N. Izaguirre, Thomas W. Oldham, Kumar T. Kembaiyan, Gary Chunn, Robert Denton +1 more | 2011-08-16 |
| 7942219 | Polycrystalline diamond constructions having improved thermal stability | Madapusi K. Keshavan, Ronald K. Eyre, Peter Thomas Cariveau | 2011-05-17 |