Mangan; John T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mangan; John T..The latest application filed is for "dual-cylinder blowout preventer operator system".
- Mangan; John T. - Houston TX
| Patent | Date |
|---|---|
| Fluid saving blowout preventer operator system Grant 7,637,474 - Whitby , et al. December 29, 2 | 2009-12-29 |
| Dual-cylinder blowout preventer operator system Grant 7,559,523 - Whitby , et al. July 14, 2 | 2009-07-14 |
| Blowout preventer operator locking system Grant 7,533,865 - Whitby , et al. May 19, 2 | 2009-05-19 |
| Dual-Cylinder Blowout Preventer Operator System App 20080164431 - Whitby; Melvyn F. ; et al. | 2008-07-10 |
| Dual-cylinder blowout preventer operator system Grant 7,374,146 - Whitby , et al. May 20, 2 | 2008-05-20 |
| Fluid Saving Blowout Preventer Operator System App 20080099701 - Whitby; Melvyn F. ; et al. | 2008-05-01 |
| Blowout Preventer Operator Locking System App 20080067458 - Whitby; Melvyn F. ; et al. | 2008-03-20 |
| Fluid saving blowout preventer operator system Grant 7,338,027 - Whitby , et al. March 4, 2 | 2008-03-04 |
| Dual-cylinder Blowout Preventer Operator System App 20080048139 - Whitby; Melvyn F. ; et al. | 2008-02-28 |
| Fluid Saving Blowout Preventer Operator System App 20080048140 - Whitby; Melvyn F. ; et al. | 2008-02-28 |
| Blowout preventer operator locking system Grant 7,300,033 - Whitby , et al. November 27, 2 | 2007-11-27 |
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