Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8185365 | Radial force distributions in rock bits | Prabhakaran K. Centala, Sujian Huang | 2012-05-22 |
| 8028773 | Drill bit and cutter element having a fluted geometry | Amardeep Singh | 2011-10-04 |
| 7798255 | Drill bits having optimized cutting element counts for reduced tracking and/or increased drilling performance | Joshua Gatell, Amardeep Singh, Scott D. McDonough, Bryce Baker, Allen D. White +2 more | 2010-09-21 |
| 7798258 | Drill bit with cutter element having crossing chisel crests | Amardeep Singh | 2010-09-21 |
| 7699126 | Cutting element having asymmetrical crest for roller cone drill bit | Amardeep Singh | 2010-04-20 |
| 7686104 | Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions | Amardeep Singh, Scott D. McDonough, Joshua Gatell, Bryce Baker, Parveen K. Chandila +2 more | 2010-03-30 |
| 7681670 | Two-cone drill bit | Prabhakaran K. Centala, James L. Larsen | 2010-03-23 |
| 7549488 | Two-cone drill bit with enhanced stability | Prabhakaran K. Centala | 2009-06-23 |
| 7543661 | Roller cone bits with wear and fracture resistant surface | Anthony Griffo, Gregory T. Lockwood, Jiaqing Yu | 2009-06-09 |
| 7316281 | Two-cone drill bit with enhanced stability | Prabhakaran K. Centala | 2008-01-08 |
| 7048080 | Roller cone bits with wear and fracture resistant surface | Anthony Griffo, Gregory T. Lockwood, Jiaqing Yu | 2006-05-23 |