Haugen; David Michael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Haugen; David Michael.The latest application filed is for "downhole surge pressure reduction and filtering apparatus".
- Haugen; David Michael - League City TX
- Haugen; David Michael - Houston TX
| Patent | Date |
|---|---|
| Downhole surge pressure reduction and filtering apparatus Grant 7,487,831 - Pluchek , et al. February 10, 2 | 2009-02-10 |
| Downhole Surge Pressure Reduction And Filtering Apparatus App 20080011480 - Plucheck; Clayton Stanley ; et al. | 2008-01-17 |
| Downhole surge pressure reduction and filtering apparatus Grant 7,270,181 - Pluchek , et al. September 18, 2 | 2007-09-18 |
| Downhole surge pressure reduction and filtering apparatus App 20060032634 - Pluchek; Clayton Stanley ; et al. | 2006-02-16 |
| Tubing expansion Grant 6,976,536 - Simpson , et al. December 20, 2 | 2005-12-20 |
| Downhole surge pressure reduction and filtering apparatus Grant 6,966,375 - Pluchek , et al. November 22, 2 | 2005-11-22 |
| Downhole surge pressure reduction and filtering apparatus App 20040251023 - Pluchek, Clayton Stanley ; et al. | 2004-12-16 |
| Tubing expansion App 20040177974 - Simpson, Neil Andrew Abercrombie ; et al. | 2004-09-16 |
| Downhole surge pressure reduction and filtering apparatus Grant 6,755,252 - Pluchek , et al. June 29, 2 | 2004-06-29 |
| Tubing expansion Grant 6,712,151 - Simpson , et al. March 30, 2 | 2004-03-30 |
| Downhole surge pressure reduction and filtering apparatus Grant 6,571,869 - Pluchek , et al. June 3, 2 | 2003-06-03 |
| Downhole surge pressure reduction and filtering apparatus App 20030089505 - Pluchek, Clayton Stanley ; et al. | 2003-05-15 |
| Tubing expansion App 20030024711 - Simpson, Neil Andrew Abercrombie ; et al. | 2003-02-06 |
| Wellbore milling methods Grant 6,202,752 - Kuck , et al. March 20, 2 | 2001-03-20 |
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