Dobrijevic; Sinisa
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dobrijevic; Sinisa.The latest application filed is for "tubing injector with built in redundancy".
- Dobrijevic; Sinisa - Edmonton N/A CA
| Patent | Date |
|---|---|
| Tubing injector with built in redundancy Grant 9,416,603 - Nielsen , et al. August 16, 2 | 2016-08-16 |
| Tubing Injector With Built In Redundancy App 20140034292 - Nielsen; Shawn ; et al. | 2014-02-06 |
| Hybrid Power System App 20130232964 - Nielsen; Shawn James ; et al. | 2013-09-12 |
| Method of protecting a top drive drilling assembly and a top drive drilling assembly modified in accordance with this method Grant 8,381,840 - Nielsen , et al. February 26, 2 | 2013-02-26 |
| Method Of Protecting A Top Drive Drilling Assembly And A Top Drive Drilling Assembly Modified In Accordance With This Method App 20100263934 - NIELSEN; Shawn James ; et al. | 2010-10-21 |
| Tubing injector head Grant 7,467,659 - Nielsen , et al. December 23, 2 | 2008-12-23 |
| Tubing injector head App 20070137855 - Nielsen; Shawn James ; et al. | 2007-06-21 |
| Top drive well drilling apparatus Grant 6,913,096 - Nielsen , et al. July 5, 2 | 2005-07-05 |
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