Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695837 | Direct drive device for passively moving fluid | Walter West Riley | 2017-07-04 |
| 9541188 | Direct drive rotation device for passively moving fluid | Walter West Riley | 2017-01-10 |
| 8997937 | Direct drive rotation device for passively moving fluid | Walter West Riley | 2015-04-07 |
| 8905193 | Direct drive rotation device for passively moving fluid | Walter West Riley | 2014-12-09 |
| 8500597 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Ryan T. Ehinger, Carlos Alexander Fenny, Charles J. Kilmain, Kevin Worrell | 2013-08-06 |
| 8454475 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Ryan T. Ehinger, Carlos Alexander Fenny, Charles J. Kilmain, Kevin Worrell | 2013-06-04 |
| 8449432 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Ryan T. Ehinger, Carlos Alexander Fenny, Charles J. Kilmain, Kevin Worrell | 2013-05-28 |
| 8133155 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof | Ryan T. Ehinger, Carlos Alexander Fenny, Charles J. Kilmain, Kevin Worrell | 2012-03-13 |