Duke; John Hincks
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duke; John Hincks.The latest application filed is for "three-dimensional rocking chair with variable curvature base for abdominal exercise".
- Duke; John Hincks - Providence RI US
| Patent | Date |
|---|---|
| Three-dimensional rocking chair with variable curvature base for abdominal exercise Grant 11,097,150 - Duke August 24, 2 | 2021-08-24 |
| Exercise rocking chair Grant D904,536 - Duke , et al. December 8, 2 | 2020-12-08 |
| Three-Dimensional Rocking Chair with Variable Curvature Base for Abdominal Exercise App 20200016456 - Duke; John Hincks | 2020-01-16 |
| Wingtip vortex drag reduction method using backwash convergence Grant 9,776,710 - Duke October 3, 2 | 2017-10-03 |
| Vortex energy recovery turbine Grant 9,709,024 - Duke July 18, 2 | 2017-07-18 |
| Exercise rocking chair Grant 9,586,084 - Duke March 7, 2 | 2017-03-07 |
| High Efficiency Aircraft Propulsion System App 20160229527 - Duke; John Hincks | 2016-08-11 |
| Exercise Rocking Chair App 20160206910 - Duke; John Hincks | 2016-07-21 |
| Integral valve effect respirator Grant 8,978,655 - Duke , et al. March 17, 2 | 2015-03-17 |
| Wave-powered autonomous plankton collector Grant 8,939,804 - Duke January 27, 2 | 2015-01-27 |
| Vortex Energy Recovery Turbine App 20140308111 - Duke; John Hincks | 2014-10-16 |
| Hydrokinetic turbine for low velocity currents Grant 8,421,260 - Duke April 16, 2 | 2013-04-16 |
| Wave-powered autonomous plankton collector App 20120329345 - Duke; John Hincks | 2012-12-27 |
| Hydrokinetic turbine for low velocity currents App 20120013128 - Duke; John Hincks | 2012-01-19 |
| Folding star trivet App 20070034755 - Duke; John Hincks | 2007-02-15 |
| Cantilever table Grant D515,850 - Duke February 28, 2 | 2006-02-28 |
| World clock App 20030147308 - Duke, John Hincks | 2003-08-07 |
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