Movaffagh; Behrooz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Movaffagh; Behrooz.The latest application filed is for "apparatus and methods for releasing drilling rig and blowout preventer (bop) prior to cement bonding".
- Movaffagh; Behrooz - Edmonton Alberta CA
- Movaffagh; Behrooz - Edmonton CA
| Patent | Date |
|---|---|
| Apparatus and methods for releasing drilling rig and blowout preventer (BOP) prior to cement bonding Grant 9,187,976 - He , et al. November 17, 2 | 2015-11-17 |
| Apparatus and Methods For Releasing Drilling Rig and Blowout Preventer (BOP) Prior to Cement Bonding App 20140138086 - He; Henry ; et al. | 2014-05-22 |
| Drill string shutoff valve Grant 7,090,033 - Chan , et al. August 15, 2 | 2006-08-15 |
| Drill string shutoff valve Grant 7,017,682 - Chan , et al. March 28, 2 | 2006-03-28 |
| Drill string shutoff valve Grant 6,918,452 - Chan , et al. July 19, 2 | 2005-07-19 |
| Drill string shutoff valve App 20040112643 - Chan, Kwong-Onn C. ; et al. | 2004-06-17 |
| Drill string shutoff valve App 20040112644 - Chan, Kwong-Onn C. ; et al. | 2004-06-17 |
| Drill string shutoff valve App 20040112641 - Chan, Kwong-Onn C. ; et al. | 2004-06-17 |
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