Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11377911 | Fixed cutter drill bits including nozzles with end and side exits | Navid Omidvar, Reza Rahmani | 2022-07-05 |
| 10954722 | Fixed cutter drill bits including nozzles with end and side exits | Navid Omidvar, Reza Rahmani | 2021-03-23 |
| 10190366 | Hybrid drill bits having increased drilling efficiency | Anton F. Zahradnik, Robert J. Buske, Rudolf Carl Pessier, Don Q. Nguyen, Karlos B. Cepeda +5 more | 2019-01-29 |
| 10072462 | Hybrid drill bits | Anton F. Zahradnik, Rudolf Carl Pessier, Mitchell A. Rothe, Don Q. Nguyen, Karlos B. Cepeda +5 more | 2018-09-11 |
| 9782857 | Hybrid drill bit having increased service life | Don Q. Nguyen, Carl E. Poteet, III, Eric C. Sullivan, Mark P. Blackman, Alan J. Massey +1 more | 2017-10-10 |
| 9657527 | Drill bits with anti-tracking features | Robert J. Buske | 2017-05-23 |
| 9353575 | Hybrid drill bits having increased drilling efficiency | Anton F. Zahradnik, Robert J. Buske, Rudolf Carl Pessier, Don Q. Nguyen, Karlos B. Cepeda +5 more | 2016-05-31 |
| 9290997 | Downhole tools including bearings and methods of forming same | Alejandro Flores, Aaron J. Dick, Chih Lin, Louise F. van Staden, Gregory B. Swanepoel +4 more | 2016-03-22 |
| 8950514 | Drill bits with anti-tracking features | Robert J. Buske | 2015-02-10 |
| 8834026 | Bearings for downhole tools, downhole tools incorporating such bearings, and methods of cooling such bearings | Alejandro Flores, Aaron J. Dick, Chih Lin, Louise F. van Staden, Gregory B. Swanepoel +4 more | 2014-09-16 |
| 8240399 | Drill bit with an adjustable steering device | Ajay V. Kulkarni, David K. Luce | 2012-08-14 |
| 8087479 | Drill bit with an adjustable steering device | Ajay V. Kulkarni, David K. Luce | 2012-01-03 |
| 7905301 | Earth boring drill bits made from a low-carbon, high-molybdenum alloy | Carmel Zouheir El Hakam, Eric C. Sullivan, Don Q. Nguyen | 2011-03-15 |
| 7823664 | Corrosion protection for head section of earth boring bit | Alan J. Massey, David K. Luce, Eric C. Sullivan, Carmel Zouheir El Hakam, James L. Overstreet +1 more | 2010-11-02 |
| 7484577 | Bit leg outer surface hardfacing on earth-boring bit | James L. Overstreet, Robert J. Buske, Caleb A. Rickabaugh | 2009-02-03 |