Lauppe; Dean W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lauppe; Dean W..The latest application filed is for "coring bit with uncoupled sleeve".
- Lauppe; Dean W. - Pasadena TX
| Patent | Date |
|---|---|
| Coring bit with uncoupled sleeve Grant 7,431,107 - Hill , et al. October 7, 2 | 2008-10-07 |
| Coring bit with uncoupled sleeve App 20060054358 - Hill; Bunker M. ; et al. | 2006-03-16 |
| Coring Bit With Uncoupled Sleeve App 20040140126 - Hill, Bunker M. ; et al. | 2004-07-22 |
| Method and apparatus for retaining a core sample within a coring tool Grant 6,729,416 - Contreras , et al. May 4, 2 | 2004-05-04 |
| Method and apparatus for retaining a core sample within a coring tool App 20020148643 - Contreras, Gary W. ; et al. | 2002-10-17 |
| Coring bit and method for obtaining a material core sample Grant 6,412,575 - Harrigan , et al. July 2, 2 | 2002-07-02 |
| Coring bit motor and method for obtaining a material core sample Grant 6,371,221 - Harrigan , et al. April 16, 2 | 2002-04-16 |
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