Carder; Charles Frederick
Patent Applications and Registrations
Patent applications and USPTO patent grants for Carder; Charles Frederick.The latest application filed is for "downhole tool consistent fluid control".
- Carder; Charles Frederick - Carrollton TX
- Carder; Charles Frederick - Dallas TX
| Patent | Date |
|---|---|
| Downhole tool consistent fluid control Grant 9,719,325 - Carder , et al. August 1, 2 | 2017-08-01 |
| Rotational wellbore test valve Grant 9,428,990 - Ringgenberg , et al. August 30, 2 | 2016-08-30 |
| Downhole Tool Consistent Fluid Control App 20160053573 - Carder; Charles Frederick ; et al. | 2016-02-25 |
| Rotational Wellbore Test Valve App 20150129232 - RINGGENBERG; Paul David ; et al. | 2015-05-14 |
| Pump through circulating and or safety circulating valve Grant 8,973,663 - Ringgenberg , et al. March 10, 2 | 2015-03-10 |
| Rotational test valve with tension reset Grant 8,662,180 - Ringgenberg , et al. March 4, 2 | 2014-03-04 |
| Rotational wellbore test valve Grant 8,607,875 - Ringgenberg , et al. December 17, 2 | 2013-12-17 |
| Rotational Test Valve With Tension Reset App 20120181021 - RINGGENBERG; PAUL DAVID ; et al. | 2012-07-19 |
| Rotational Wellbore Test Valve App 20120181018 - RINGGENBERG; PAUL DAVID ; et al. | 2012-07-19 |
| Pump Through Circulating And Or Safety Circulating Valve App 20120048564 - RINGGENBERG; PAUL DAVID ; et al. | 2012-03-01 |
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