Christie; David Stewart
Patent Applications and Registrations
Patent applications and USPTO patent grants for Christie; David Stewart.The latest application filed is for "vertical subsea tree annulus and controls access".
- Christie; David Stewart - Aberdeen GB
- Christie; David Stewart - Scotland N/A GB
| Patent | Date |
|---|---|
| Vertical subsea tree annulus and controls access Grant 9,523,259 - Christie December 20, 2 | 2016-12-20 |
| Vertical Subsea Tree Annulus and Controls Access App 20160258247 - Christie; David Stewart | 2016-09-08 |
| Light well intervention umbilical and flying lead management system and related methods Grant 9,038,726 - Christie , et al. May 26, 2 | 2015-05-26 |
| Light Well Intervention Umbilical and Flying Lead Management System and Related Methods App 20130327534 - Christie; David Stewart ; et al. | 2013-12-12 |
| Riser dog screw with fail safe mechanism Grant 6,328,343 - Hosie , et al. December 11, 2 | 2001-12-11 |
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