Hunter; Donald W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hunter; Donald W..The latest application filed is for "cylinder filling oxygen concentrator".
- Hunter; Donald W. - Somerset PA
- Hunter; Donald W. - Somserset PA
- Hunter; Donald W. - Silver Spring MD
- Hunter; Donald W. - Guntersville AL
- Hunter; Donald W. - Indianapolis IN
| Patent | Date |
|---|---|
| Cylinder filling oxygen concentrator Grant 7,550,031 - Hunter , et al. June 23, 2 | 2009-06-23 |
| Energy efficient oxygen concentrator Grant 7,445,663 - Hunter , et al. November 4, 2 | 2008-11-04 |
| Cylinder Filling Oxygen Concentrator App 20070084342 - Hunter; Donald W. ; et al. | 2007-04-19 |
| Oxygen hose fire barrier App 20060174879 - Ashford; Dennis ; et al. | 2006-08-10 |
| Laser initiated dielectric breakdown switch Grant 5,249,095 - Hunter September 28, 1 | 1993-09-28 |
| Generic electronic safe and arm Grant 5,245,926 - Hunter September 21, 1 | 1993-09-21 |
| Fluid flow switching valve assembly and system Grant 4,925,464 - Rabenau , et al. May 15, 1 | 1990-05-15 |
| Valve device for P.S.A. or R.P.S.A. systems Grant 4,877,429 - Hunter October 31, 1 | 1989-10-31 |
| Lead screw driver Grant 4,782,726 - Ryder , et al. November 8, 1 | 1988-11-08 |
| Method for varying voltage in a high intensity discharge mercury lamp Grant 4,146,819 - Hunter March 27, 1 | 1979-03-27 |
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