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Patent applications and USPTO patent grants for Patwa; Ruchir S..The latest application filed is for "interval control valve with varied radial spacings".
Patent | Date |
---|---|
Interval control valve with varied radial spacings Grant 9,732,587 - Patwa , et al. August 15, 2 | 2017-08-15 |
Interval Control Valve With Varied Radial Spacings App 20150013989 - Patwa; Ruchir S. ;   et al. | 2015-01-15 |
Downhole downlinking system employing a differential pressure transducer Grant 8,746,366 - Patwa , et al. June 10, 2 | 2014-06-10 |
Downhole Downlinking System Employing A Differential Pressure Transducer App 20130220602 - Patwa; Ruchir S. ;   et al. | 2013-08-29 |
Downhole downlinking system employing a differential pressure transducer Grant 8,408,331 - Patwa , et al. April 2, 2 | 2013-04-02 |
Downhole Downlinking System Employing a Differential Pressure Transducer App 20110168445 - Patwa; Ruchir S. ;   et al. | 2011-07-14 |
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