Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10054105 | Dolphin-blade, fluid flow, reciprocal motor | H. Stephen Durham | 2018-08-21 |
| 7719154 | Single field rotor motor | Harold S. Durham | 2010-05-18 |
| 7608967 | Single field rotor motor | Harold S. Durham | 2009-10-27 |
| 7583000 | Starting system for salient-poled-rotor electric motor | Harold S. Durham | 2009-09-01 |
| 7514832 | Single field rotor motor | Harold S. Durham | 2009-04-07 |
| 7276831 | Split-pole field-match motor | Harold S. Durham | 2007-10-02 |
| 6853110 | Radial flux diode motor | Harold S. Durham | 2005-02-08 |
| 6707208 | Flux diode motor | Harold S. Durham | 2004-03-16 |
| 6611078 | Flux diode motor | Harold S. Durham | 2003-08-26 |