Stachowiak; John E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stachowiak; John E..The latest application filed is for "subsurface reciprocating pump for gassy and sandy fluids".
- Stachowiak; John E. - Houston TX
- Stachowiak; John E. - Harris County TX
| Patent | Date |
|---|---|
| Diversion plunger for reciprocating rod pump Grant 10,731,446 - Stachowiak , et al. | 2020-08-04 |
| Subsurface reciprocating pump for gassy and sandy fluids Grant 10,450,847 - Bailey , et al. Oc | 2019-10-22 |
| On-off tool for sucker rod string Grant 10,273,762 - Stachowiak , et al. | 2019-04-30 |
| Centrifugal separator for downhole pump Grant 10,107,088 - Stachowiak , et al. October 23, 2 | 2018-10-23 |
| Subsurface Reciprocating Pump for Gassy and Sandy Fluids App 20180298736 - Bailey; Jason W. ; et al. | 2018-10-18 |
| Centrifugal Separator for Downhole Pump App 20160251951 - Stachowiak; John E. ; et al. | 2016-09-01 |
| Diversion Plunger for Reciprocating Rod Pump App 20160237796 - Stachowiak; John E. ; et al. | 2016-08-18 |
| On-Off Tool for Sucker Rod String App 20160208564 - Stachowiak; John E. ; et al. | 2016-07-21 |
| High pressure pump fluid end Grant 3,870,439 - Stachowiak , et al. March 11, 1 | 1975-03-11 |
| High Pressure Liquid And Abrasive Cleaning Apparatus Grant 3,858,358 - Stachowiak , et al. January 7, 1 | 1975-01-07 |
| Safety Apparatus Grant 3,799,440 - Goss , et al. March 26, 1 | 1974-03-26 |
| Blast Cleaning System Grant 3,690,067 - Goss , et al. September 12, 1 | 1972-09-12 |
| Relief Valve Grant 3,592,222 - Goss , et al. July 13, 1 | 1971-07-13 |
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