Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421801 | Drill bit for use with intensified fluid pressures | Luca Tedeschi, Alessandro Bertini, Simone Pallesi, Johann Obermair, James L. Larsen +1 more | 2025-09-23 |
| 12037850 | Drill bit for use with intensified fluid pressures | Luca Tedeschi, Alessandro Bertini, Simone Pallesi, Johann Obermair, James L. Larsen +1 more | 2024-07-16 |
| 11566475 | Fixed cutter drill bit with high fluid pressures | Simone Pallesi, Alessio Cechi, Alessandro Bertini | 2023-01-31 |
| 11512536 | Drill bit for use with intensified fluid pressures | Luca Tedeschi, Alessandro Bertini, Simone Pallesi, Johann Obermair, James L. Larsen +1 more | 2022-11-29 |
| 9856701 | Rolling cone drill bit having high density cutting elements | Luca Tedeschi, Giampaolo Ferrari, Joshua Gatell, John Clunan, Allen D. White | 2018-01-02 |
| 9074431 | Rolling cone drill bit having high density cutting elements | Luca Tedeschi, Giampaolo Ferrari, Josh Gatell, John Clunan, Allen D. White | 2015-07-07 |
| 8316968 | Rolling cone drill bit having sharp cutting elements in a zone of interest | Giampaolo Ferrari, Carl Aron Deen | 2012-11-27 |
| 8091654 | Rock bit with vectored hydraulic nozzle retention sleeves | Luca Tedeschi, James L. Larsen, Riccardo Gronchi | 2012-01-10 |
| 7913778 | Rock bit with hydraulic configuration | Luca Tedeschi, James L. Larsen, Riccardo Gronchi | 2011-03-29 |
| 7832506 | Cutting elements with increased toughness and thermal fatigue resistance for drilling applications | Dah-Ben Liang, James C. Minikus, Amardeep Singh, Jonathan Bitler | 2010-11-16 |
| 7743857 | Cutting elements of gage row and first inner row of a drill bit | Alan W. Lockstedt, Scott D. McDonough | 2010-06-29 |
| 7690442 | Drill bit and cutting inserts for hard/abrasive formations | Peter Wilson, Luca Tedeschi, Bryce Baker, Daniel W. Brietzke | 2010-04-06 |
| 7367413 | Cutting elements of gage row and first inner row of a drill bit | Alan W. Lockstedt, Scott D. McDonough | 2008-05-06 |
| 7124842 | Cutting elements of gage row and first inner row of a drill bit | Alan W. Lockstedt, Scott D. McDonough | 2006-10-24 |
| 6988569 | Cutting element orientation or geometry for improved drill bits | Alan W. Lockstedt, Scott D. McDonough | 2006-01-24 |
| 6848521 | Cutting elements of gage row and first inner row of a drill bit | Alan W. Lockstedt, Scott D. McDonough | 2005-02-01 |
| 6782959 | Cutter element with non-linear, expanded crest | James C. Minikus, Chris E. Cawthorne, Stephen C. Steinke, Gary E. Garcia, David P. Moran +1 more | 2004-08-31 |
| 6698536 | Roller cone drill bit having lubrication contamination detector and lubrication positive pressure maintenance system | David P. Moran | 2004-03-02 |
| 6695079 | Dual-seal drill bit pressure communication system | Chris E. Cawthorne, Robert H. Slaughter, Jr., Roger Didericksen, Peter Thomas Cariveau, Robert Denton | 2004-02-24 |
| 6679342 | Dual-seal drill bit pressure communication system | Chris E. Cawthorne, Robert Denton, Robert H. Slaughter, Jr., Roger Didericksen, Peter Thomas Cariveau | 2004-01-20 |
| 6655478 | Fracture and wear resistant rock bits | Dah-Ben Liang, Paul E. Cox, John L. Williams | 2003-12-02 |
| 6640913 | Drill bit with canted gage insert | Alan W. Lockstedt, Scott D. McDonough | 2003-11-04 |
| 6561293 | Cutter element with non-linear, expanded crest | James C. Minikus, Chris E. Cawthorne, Stephen C. Steinke, Gary E. Garcia, David P. Moran +1 more | 2003-05-13 |
| 6561292 | Rock bit with load stabilizing cutting structure | — | 2003-05-13 |
| 6510909 | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty | Gary E. Garcia, James C. Minikus, Per Ivar Nese, Dennis Cisneros, Chris E. Cawthorne | 2003-01-28 |