Lowry; Doug A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lowry; Doug A..The latest application filed is for "communication and lock open safety valve system and method".
- Lowry; Doug A. - Broken Arrow OK US
- Lowry; Doug A. - Arrow OK
| Patent | Date |
|---|---|
| Communication and lock open safety valve system and method Grant 9,903,181 - Myerley , et al. February 27, 2 | 2018-02-27 |
| Communication And Lock Open Safety Valve System And Method App 20160010430 - Myerley; Thomas S. ; et al. | 2016-01-14 |
| Method of reducing deflection through a rod piston in a subsurface safety valve Grant 9,151,139 - Burris , et al. October 6, 2 | 2015-10-06 |
| Method Of Reducing Deflection Through A Rod Piston In A Subsurface Safety Valve App 20120304853 - Burris; John E. ; et al. | 2012-12-06 |
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