Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005641 | Elevator dampener and energy harvesting device and method | — | 2018-06-26 |
| 9896306 | Apparatus and method for dampening oscillations of an elevator car | Fernando Boschin, Joao Paulo Da Costa Brusque, Marcelo De Fraga Carvalho, Leoci Rudi Galle | 2018-02-20 |
| 9868614 | Elevator system | Stefan Kaczmarczyk | 2018-01-16 |
| 9114954 | Active guiding and balance system for an elevator | Fernando Boschin, Joao Paulo Da Costa Brusque, Marcelo De Fraga Carvalho, Leoci Rudi Galle | 2015-08-25 |
| 8733507 | Multicar zoned elevator system | Randolph W. Huff, Richard D. Peters, Bruce A. Powell, Gerhard Thumm | 2014-05-27 |
| 8617325 | Actively damped tension member | Stefan Kaczmarczyk | 2013-12-31 |
| 8534426 | Control for limiting elevator passenger tympanic pressure and method for the same | Richard D. Peters | 2013-09-17 |
| 8397873 | Zoned elevator system | Randolph W. Huff, Richard D. Peters, Bruce A. Powell, Gerhard Thumm | 2013-03-19 |
| 8276715 | Method and apparatus for assigning elevator hall calls based on time metrics | Richard D. Peters | 2012-10-02 |
| 8162110 | Rope tension equalizer and load monitor | Alan M. Parker, Chi Phan | 2012-04-24 |
| 8123002 | Elevator rope positioning apparatus | Stefan Kaczmarczyk, Jim Nickerson, Patrick Bass | 2012-02-28 |
| 8110050 | Actively damped tension member | Stefan Kazmarczyk | 2012-02-07 |
| 8104585 | Method of assigning hall calls based on time thresholds | Richard D. Peters | 2012-01-31 |
| 8100230 | Elevator system with virtual landing | Randolph W. Huff, Richard D. Peters, Bruce A. Powell, Gerhard Thumm | 2012-01-24 |
| 8096024 | Rope termination device | Chi Phan, Alan M. Parker | 2012-01-17 |
| 7975808 | Saturation control for destination dispatch systems | Richard D. Peters | 2011-07-12 |
| 7967113 | Elevator system to minimize entrapment of passengers during a power failure | Richard D. Peters, Lutfi Al-Sharif | 2011-06-28 |
| 7841450 | Twin elevator systems | Randolph W. Huff, Richard D. Peters, Bruce A. Powell, Gerhard Thumm | 2010-11-30 |
| 7540356 | Method and apparatus to prevent or minimize the entrapment of passengers in elevators during a power failure | Richard D. Peters, Lutfi Al-Sharif | 2009-06-02 |
| 7374020 | Energy efficient elevator system | Richard D. Peters, Lutfi Al-Sharif | 2008-05-20 |
| 7334665 | Interlock wiring communication system for elevators | San Soemardjan, James Nickerson, Randolph W. Huff | 2008-02-26 |
| 7246686 | Power supply for elevator systems having variable speed drives | Hien T. Nguyen | 2007-07-24 |
| 7032371 | Synthetic fiber rope for an elevator | John Fite, Harry Simpkins, Roy Walker, Alan Koralek, A. Simeon Whitehill +2 more | 2006-04-25 |
| 7032715 | Methods and apparatus for assigning elevator hall calls to minimize energy use | Richard D. Peters | 2006-04-25 |
| 7011184 | Increasing traffic handling performance of an elevator system based upon load | Richard D. Peters | 2006-03-14 |