Leal; Jerlib J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leal; Jerlib J..The latest application filed is for "annular isolation device for managed pressure drilling".
- Leal; Jerlib J. - Houston TX
| Patent | Date |
|---|---|
| Annular isolation device for managed pressure drilling Grant 10,012,044 - Leba , et al. July 3, 2 | 2018-07-03 |
| Continuous flow system for drilling oil and gas wells Grant 10,006,262 - Bansal , et al. June 26, 2 | 2018-06-26 |
| Annular Isolation Device For Managed Pressure Drilling App 20160138352 - LEBA; John Vinh ; et al. | 2016-05-19 |
| Continuous Flow System For Drilling Oil And Gas Wells App 20150240582 - BANSAL; Ram K. ; et al. | 2015-08-27 |
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