Mappus; Christian S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mappus; Christian S..The latest application filed is for "energy harvesting from a downhole jar".
- Mappus; Christian S. - Kingwood TX
| Patent | Date |
|---|---|
| Energy harvesting from a downhole jar Grant 10,190,394 - Guo , et al. Ja | 2019-01-29 |
| Energy Harvesting from a Downhole Jar App 20160258254 - Guo; Lianhe ; et al. | 2016-09-08 |
| Downhole tool string braking Grant 9,217,305 - Coles , et al. December 22, 2 | 2015-12-22 |
| Wellbore isolation devices and methods of use to prevent pump offs Grant 9,187,970 - Coles , et al. November 17, 2 | 2015-11-17 |
| Downhole Tool String Braking App 20150285017 - Coles; Randolph S. ; et al. | 2015-10-08 |
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