| 10155640 |
Elevator system using rescue storage device for increased power |
Juergen Gewinner, Felix Benjamin Donath, Peter Herkel |
2018-12-18 |
| 10146189 |
Safety chain circuit |
Kyle W. Rogers |
2018-12-04 |
| 10112803 |
Protection assembly for elevator braking assembly speed sensing device and method |
Guohong Hu |
2018-10-30 |
| 10051040 |
Elevator system using dual communication channels |
Vijay Jayachandran, Bruce P. Lerner |
2018-08-14 |
| 10000366 |
Brake torque control |
James L. Hubbard, Stephen R. Nichols, Harold Terry |
2018-06-19 |
| 9995711 |
Calibration of wear detection system |
Michael Garfinkel |
2018-06-12 |
| 9981826 |
Braking device for braking a hoisted object relative to a guide member |
Justin Billard, Randall S. Dube |
2018-05-29 |
| 9979412 |
Encoder resolution reduction |
Keunmo Kang, Slade R. Culp, Craig Drew Bogli, William A. Veronesi |
2018-05-22 |
| 9975729 |
Elevator system using dynamic braking |
Kyle W. Rogers |
2018-05-22 |
| 9935494 |
Elevator power supply for inverter controller |
Kyle W. Rogers, Craig Drew Bogli, Leslie C. Watterson |
2018-04-03 |
| 9915307 |
Brake |
Zbigniew Piech, Adrian D. West, Harold Terry |
2018-03-13 |
| 9912266 |
Motor torque ripple reduction using DC bus harmonics |
Zhenhong Li |
2018-03-06 |