Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7569179 | Functionally graded cemented tungsten carbide | — | 2009-08-04 |
| 7264879 | Composite constructions with oriented microstructure | J. Albert Sue, Ghanshyam Rai | 2007-09-04 |
| 7235211 | Rotary cone bit with functionally-engineered composite inserts | Anthony Griffo, Robert Denton | 2007-06-26 |
| 7210377 | Cone erosion protection for roller cone drill bits | Anthony Griffo, Robert H. Slaughter, Jr. | 2007-05-01 |
| 7211218 | Polycrystalline diamond carbide composites | Anthony Griffo, Brian A. White, Stewart N. Middlemiss, Ron K. Eyre | 2007-05-01 |
| 6951578 | Polycrystalline diamond materials formed from coarse-sized diamond grains | Daniel J. Belnap, Nathan R. Anderson, Anthony Griffo, Brian A. White | 2005-10-04 |
| 6841260 | Composite constructions with oriented microstructure | J. Albert Sue, Ghanshyam Rai | 2005-01-11 |
| 6698098 | Cone erosion protection for roller cone drill bits | Anthony Griffo, Robert H. Slaughter, Jr. | 2004-03-02 |
| 6615935 | Roller cone bits with wear and fracture resistant surface | Anthony Griffo, Alysia C. White, Chris E. Cawthorne | 2003-09-09 |
| 6607835 | Composite constructions with ordered microstructure | Anthony Griffo, Alysia C. White | 2003-08-19 |
| 6571889 | Rotary cone bit with functionally-engineered composite inserts | Anthony Griffo, Robert Denton | 2003-06-03 |
| 6536542 | Rock bit seal with multiple dynamic seal surface elements | Chris E. Cawthorne, Nephi M. Mourik, Sujian Huang | 2003-03-25 |
| 6478887 | Boronized wear-resistant materials and methods thereof | J. Albert Sue, Alysia C. White | 2002-11-12 |
| 6454027 | Polycrystalline diamond carbide composites | Anthony Griffo, Brian A. White, Stewart N. Middlemiss, Ron K. Eyre | 2002-09-24 |
| 6451442 | Composite constructions with oriented microstructure | J. Albert Sue, Ghanshyam Rai | 2002-09-17 |
| 6406030 | O-ring seal with lubricant additives for rock bit bearings | Robert Denton, Steven W. Peterson | 2002-06-18 |
| 6361873 | Composite constructions having ordered microstructures | Zhou Yong, Sujian Huang, Michael A. Siracki, Chris E. Cawthorne, J. Albert Sue +1 more | 2002-03-26 |
| 6319460 | Metal-matrix diamond or cubic boron nitride composites | — | 2001-11-20 |
| 6244364 | Earth-boring bit having cobalt/tungsten carbide inserts | Peter Thomas Cariveau, Robert H. Slaughter, Jr. | 2001-06-12 |
| 6179296 | Dual functioning seal for rock bits | Chris E. Cawthorne, Sujian Huang, Michael A. Siracki | 2001-01-30 |
| 6170830 | Dual functioning seal for rock bits | Chris E. Cawthorne, Sujian Huang, Michael A. Siracki | 2001-01-09 |
| 6123337 | Composite earth boring bit seal | Sujian Huang, Chris E. Cawthorne, Brian A. James, G. Steve Kyker, Robert Denton +1 more | 2000-09-26 |
| 6124564 | Hardfacing compositions and hardfacing coatings formed by pulsed plasma-transferred arc | J. Albert Sue, Alysia C. White | 2000-09-26 |
| 6106957 | Metal-matrix diamond or cubic boron nitride composites | — | 2000-08-22 |
| 6063502 | Composite construction with oriented microstructure | J. Albert Sue, Ghanshyam Rai | 2000-05-16 |