Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8827044 | Over-acceleration and over-speed detection and processing system | Greg A. Schienda, Harold Terry, James M. Draper, Anthony Cooney, Jose M. Carballo | 2014-09-09 |
| 8820483 | Elevator machine support | Richard J. Ericson, Harold Terry, Leandre Adifon, Stephen R. Nichols, Robin Mihekun Miller +1 more | 2014-09-02 |
| 8631909 | Electromagnetic safety trigger | James M. Draper, Greg A. Schienda, Harold Terry, Anthony Cooney, Jose M. Carballo | 2014-01-21 |
| 8459415 | Elevator motion profile control including non-instantaneous transition between jerk values | YiSug Kwon, Steven D. Coste, Randall Keith Roberts | 2013-06-11 |
| 8333265 | Elevator system with regulated input power | Pengju Kang, Mauro J. Atalla, Vladimir Blasko, Robert K. Thornton, Stella M. Oggianu | 2012-12-18 |
| 8104584 | Elevator drive control strategy | Edward Piedra, Ismail Agiman | 2012-01-31 |
| 6483271 | Motor drive parameters | Ronnie E. Thebeau, Christopher S. Czerwinski, Neil A. Greiner, Edward Piedra | 2002-11-19 |
| 6401875 | Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturation | Mark Eugene Shepard, Todd Simonds, Alberto Vecchiotti, Vladan Petrovic | 2002-06-11 |
| 5808880 | Power factor controller for active converter | — | 1998-09-15 |
| 5760562 | Apparatus and method for generating digital position signals for a rotatable shaft | Lane L. Woodland | 1998-06-02 |
| 5646496 | Apparatus and method for generating digital position signals for a rotatable shaft | Lane L. Woodland | 1997-07-08 |