Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11953836 | Transport system having a magnetically levitated transportation stage | Lei Zhou, David L. Trumper | 2024-04-09 |
| 11360400 | Transport system having a magnetically levitated transportation stage | David L. Trumper, Lei Zhou | 2022-06-14 |
| 10821373 | Educational story telling toy | — | 2020-11-03 |
| 7263836 | Vortex tube cooling system | G. Alexis Arzoumanidis | 2007-09-04 |
| 7113051 | Frequency characterization of quartz crystals | — | 2006-09-26 |
| 6993446 | Method and apparatus for predicting the time to failure of electronic devices at high temperatures | Richard K. Etchells | 2006-01-31 |
| 6978828 | Heat pipe cooling system | — | 2005-12-27 |
| 6606009 | Self-compensating ovenized clock adapted for wellbore applications | Cengiz Esmersoy | 2003-08-12 |