Walker-Dawson Interests, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker-Dawson Interests, Inc..The latest application filed is for "systems and methods for conveying a non-dry frac proppant".
- Walker-Dawson Interests, Inc. - Prairieville LA US
- Walker-Dawson Interests, Inc. - Praireiville LA US
- Walker-Dawson Interests, Inc. - Clinton LA
| Patent | Date |
|---|---|
| Systems and Methods for Conveying a Non-Dry Frac Proppant App 20190144216 - Dawson; Richard F. ; et al. | 2019-05-16 |
| Methods for modifying non-standard frac sand to sand with fracking properties Grant 9,375,761 - Dawson , et al. June 28, 2 | 2016-06-28 |
| Vacuum container system and related method App 20110126936 - Dawson; Richard F. ; et al. | 2011-06-02 |
| In-line Jet Pumps And Methods Of Use App 20080044294 - Dawson; Richard F. ; et al. | 2008-02-21 |
| Vacuum system manifold and related methods Grant 7,243,478 - Dawson , et al. July 17, 2 | 2007-07-17 |
| Apparatus and methods for separating slurried material Grant 7,045,068 - Hutchinson , et al. May 16, 2 | 2006-05-16 |
| Apparatus and methods for separating slurried material Grant 6,911,145 - Hutchinson , et al. June 28, 2 | 2005-06-28 |
| Excavation system employing a jet pump Grant 6,860,042 - Hutchinson , et al. March 1, 2 | 2005-03-01 |
| Jet pumps and methods employing the same Grant 6,450,775 - Hutchinson , et al. September 17, 2 | 2002-09-17 |
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