Smith; Donald Roy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Smith; Donald Roy.The latest application filed is for "efficient electric spacecraft propulsion".
- Smith; Donald Roy - Saline MI
- Smith; Donald Roy - Strathmore CA
- Smith; Donald Roy - Calgary CA
| Patent | Date |
|---|---|
| Efficient Electric Spacecraft Propulsion App 20180080438 - Faler; Wesley Gordon ; et al. | 2018-03-22 |
| Hybrid electric propulsion for spacecraft Grant 9,856,862 - Faler , et al. January 2, 2 | 2018-01-02 |
| Hybrid Electric Propulsion For Spacecraft App 20140305096 - Faler; Wesley Gordon ; et al. | 2014-10-16 |
| Apparatus and method for cleaning solids from a tank App 20080053484 - Smith; Donald Roy | 2008-03-06 |
| Apparatus for separating solids from liquids App 20070278012 - Smith; Donald Roy | 2007-12-06 |
| Settling tank and method for separating a solids containing material Grant 7,144,516 - Smith December 5, 2 | 2006-12-05 |
| Settling tank and method for separating a solids containing material App 20060086676 - Smith; Donald Roy | 2006-04-27 |
| Shale bin/settling tank/centrifuge combination skid Grant 6,863,809 - Smith , et al. March 8, 2 | 2005-03-08 |
| Shale bin/settling tank/centrifuge combination skid App 20040112816 - Smith, Donald Roy ; et al. | 2004-06-17 |
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