| 10366033 |
Automated retrofit installation tool for replacement of one or more pre-existing dedicated input/output (I/O) modules and terminal boards with one or more universal I/O modules |
Daniel Milton Alley, Joshua Sherman |
2019-07-30 |
| 8786138 |
Systems, methods, and apparatus for controlling actuator drive current using bi-directional hysteresis control |
Ravindra Mahavir Desai |
2014-07-22 |
| 8698486 |
Methods and systems for use in checking the polarity of multi-coil servos |
Suresh Babu Pothula |
2014-04-15 |
| 8558408 |
System and method for providing redundant power to a device |
John Robert Booth, John Isler, III |
2013-10-15 |
| 8278779 |
System and method for providing redundant power to a device |
John Isler, III, John Robert Booth |
2012-10-02 |
| 8154305 |
Systems, methods, and apparatus for connection fault self-monitoring with DC bias current |
William D. Brackman, Jr., John Robert Booth |
2012-04-10 |
| 8064158 |
Systems, methods, and apparatus for controlling Bi-directional servo actuator with PWM control |
Ravindra Mahavir Desai |
2011-11-22 |
| 4994981 |
Method and apparatus for controlling a power converter |
Loren H. Walker, Russel G. Shiflett |
1991-02-19 |
| 4380795 |
Base drive circuit for a four-terminal power Darlington |
Fred C. Lee |
1983-04-19 |