Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865071 | Configurable multicar elevator system | Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag, Tadeusz Pawel Witczak +3 more | 2020-12-15 |
| 10689228 | Elevator system evaluation device | — | 2020-06-23 |
| 10538412 | Brake operation management in elevators | Amir Lotfi, Ronnie E. Thebeau, Michael Garfinkel, Edward Piedra, Dennis Hanvey +1 more | 2020-01-21 |
| 10532908 | Thrust and moment control system for controlling linear motor alignment in an elevator system | David Ginsberg, Konda Reddy Chevva, Walter Thomas Schmidt | 2020-01-14 |
| 10472206 | Sensor failure detection and fusion system for a multi-car ropeless elevator system | David Ginsberg, Walter Thomas Schmidt, Konda Reddy Chevva | 2019-11-12 |
| 10421642 | Elevator component separation assurance system and method of operation | Richard N. Fargo, David Ginsberg | 2019-09-24 |
| 10407275 | Detection and control system for elevator operations | Yehia F. Khalil, Richard N. Fargo, Randall S. Dube, Gary L Nuschler, Peter DePaola +5 more | 2019-09-10 |
| 10399820 | Elevator tension member stiffness estimation and monitoring | YiSug Kwon, David Wayne Mckee, Richard L. Hollowell | 2019-09-03 |
| 10399821 | Vibration-based elevator tension member wear and life monitoring system | — | 2019-09-03 |
| 10294074 | Elevator recovery car | Mark Olthuis, Xiaodong Luo, Zbigniew Piech, Tadeusz Pawel Witczak | 2019-05-21 |
| 10252879 | Brake operation management in elevators | Amir Lotfi, Ronnie E. Thebeau, Michael Garfinkel, Edward Piedra, Dennis Hanvey +1 more | 2019-04-09 |
| 10118802 | Structural health monitoring of an escalator drive system | Soumitra Borthakur | 2018-11-06 |
| 10099894 | Active damping of a hovering elevator car based on vertical oscillation of the hovering elevator car | Amir Lotfi, Ismail Agirman | 2018-10-16 |
| 10035684 | Elevator component separation assurance system and method of operation | Richard N. Fargo, David Ginsberg | 2018-07-31 |
| 9975735 | Cab isolation of an elevator car | Richard N. Fargo, Walter Thomas Schmidt, YiSug Kwon | 2018-05-22 |
| 9914619 | Elevator rope sway mitigation | George Scott Copeland, Theresa M. Christy | 2018-03-13 |
| 9840395 | Multi-drive thrust manager for elevator control | David Ginsberg, Konda Reddy Chevva, Walter Thomas Schmidt | 2017-12-12 |
| 9546073 | Rope sway mitigation through control of access to elevators | George Scott Copeland | 2017-01-17 |
| 9359172 | Elevator rope sway detection and damping | Richard J. Mangini | 2016-06-07 |
| 9321610 | Frictional damper for reducing elevator car movement | Richard N. Fargo, Daniel S. Young, Jason Kyle Romain, Harold Terry, Leandre Adifon | 2016-04-26 |
| 9038783 | Rope sway mitigation via rope tension adjustment | Mark R. Gurvich, Richard N. Fargo | 2015-05-26 |
| 9010499 | Multi-car elevator hoistway separation assurance | Richard C. McCarthy, Richard E. Peruggi, Greg A. Schienda, Harold Terry, Gilbert W. Wierschke | 2015-04-21 |
| 8746411 | Elevator car positioning including gain adjustment based upon whether a vibration damper is activated | Leandre Adifon | 2014-06-10 |
| 8459415 | Elevator motion profile control including non-instantaneous transition between jerk values | YiSug Kwon, Daryl J. Marvin, Steven D. Coste | 2013-06-11 |
| 8360209 | Dynamic compensation during elevator car re-leveling | — | 2013-01-29 |