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Patent applications and USPTO patent grants for Hriscu; Iosif J..The latest application filed is for "method and apparatus for generating fluid pressure pulses".
Patent | Date |
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Method and apparatus for generating fluid pressure pulses Grant 7,405,998 - Webb , et al. July 29, 2 | 2008-07-29 |
Run-in and retrieval device for a downhole tool Grant 7,337,852 - Manke , et al. March 4, 2 | 2008-03-04 |
Method and apparatus for generating fluid pressure pulses App 20060272821 - Webb; Earl D. ;   et al. | 2006-12-07 |
Run-in and retrieval device for a downhole tool App 20060260819 - Manke; Kevin R. ;   et al. | 2006-11-23 |
Multiple zones frac tool Grant 6,896,061 - Hriscu , et al. May 24, 2 | 2005-05-24 |
Multiple zones frac tool App 20030183391 - Hriscu, Iosif J. ;   et al. | 2003-10-02 |
Well treatment fluid placement tool and methods Grant 5,803,177 - Hriscu , et al. September 8, 1 | 1998-09-08 |
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