Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7960938 | Method and apparatus for determining motor rotation status | — | 2011-06-14 |
| 7268514 | Motor control for stopping a load and detecting mechanical brake slippage | Timothy M. Rowan, Roman W. Lichon, Glenn E. Frazier, Lynn J. Cooksey | 2007-09-11 |
| 7135833 | Motor control for flux-reduced braking | Timothy M. Rowan | 2006-11-14 |
| 5977741 | Method for stabilizing AC induction motor having an open loop inverter | David J. Cisler | 1999-11-02 |
| 5187419 | Electric motor control apparatus and method | — | 1993-02-16 |
| 4996469 | Electric motor controller with bypass contactor | John C. Merrison | 1991-02-26 |
| 4978897 | Motor controller with an improved stopping technique | John C. Merrison, Timothy M. Rowan | 1990-12-18 |
| 4916370 | Motor stoppage apparatus and method using back emf voltage | Timothy M. Rowan | 1990-04-10 |