Kritzler; James H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kritzler; James H..The latest application filed is for "insert gas lift injection assembly for retrofitting string for alternative injection location".
- Kritzler; James H. - Pearland TX
| Patent | Date |
|---|---|
| Insert Gas Lift Injection Assembly for Retrofitting String for Alternative Injection Location App 20120312554 - Nguyen; Hai H. ; et al. | 2012-12-13 |
| Apparatus And Method For Controlling Gas Lift Assemblies App 20120211239 - Kritzler; James H. ; et al. | 2012-08-23 |
| Valving Device and Method of Valving App 20110203805 - Kritzler; James H. ; et al. | 2011-08-25 |
| Battery-Powered and Logic-Controlled Gas Lift Valve for Use in Wells and Methods of Using and Making Same App 20110180267 - Wildman; Samuel L. ; et al. | 2011-07-28 |
| Inserts with Swellable Elastomer Seals for Side Pocket Mandrels App 20100122819 - Wildman; Samuel L. ; et al. | 2010-05-20 |
| Barrier orifice valve for gas lift Grant 7,360,602 - Kritzler , et al. April 22, 2 | 2008-04-22 |
| Barrier orifice valve for gas lift App 20070181312 - Kritzler; James H. ; et al. | 2007-08-09 |
| Cement through side pocket mandrel Grant 7,228,897 - Holt, Jr. , et al. June 12, 2 | 2007-06-12 |
| Gas lift mandrel Grant 6,810,955 - Roth , et al. November 2, 2 | 2004-11-02 |
| Cement through side pocket mandrel App 20040112599 - Holt, James H. JR. ; et al. | 2004-06-17 |
| Gas lift mandrel App 20040035575 - Roth, Brian A. ; et al. | 2004-02-26 |
| Computer controlled gas lift system Grant 5,896,924 - Carmody , et al. April 27, 1 | 1999-04-27 |
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