| 11001477 |
Elevator linear propulsion system with cooling device |
Ram Ranjan, Enrico Manes, Zbigniew Piech |
2021-05-11 |
| 10865071 |
Configurable multicar elevator system |
Randall Keith Roberts, Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag +3 more |
2020-12-15 |
| 10189679 |
Elevator car power supply |
Tadeusz Pawel Witczak, Wojciech Szelag, Cezary Jedryczka, Zbigniew Piech |
2019-01-29 |
| 9907986 |
Fire suppression system with dual use of gas source |
Ulf J. Jonsson, Mike Lindsay |
2018-03-06 |
| 9849318 |
Fire suppression system with variable dual use of gas source |
May L. Corn, Jeffrey M. Cohen, Michael R. Carey, Mike Lindsay |
2017-12-26 |
| 9849321 |
Concealed sprinkler activation |
Arto Huotari, Timothy Galante, Michael Kenneth Krager, Enrico Manes, Brian J. Stumm |
2017-12-26 |
| 9272882 |
Detection of people relative to a passenger conveyor with a capacitive sensor |
Nicholas Charles Soldner, Arthur Hsu, William A. Veronesi, Gero Gschwendtner, Abdullah Ercan +1 more |
2016-03-01 |
| 8904708 |
Door zone protection |
Joseph Zacchio |
2014-12-09 |
| 8678140 |
Electromagnet and elevator door coupler |
Jacek F. Gieras, Sastry V. Vedula, Pei-Yuan Peng |
2014-03-25 |
| 8424652 |
Electromagnet and elevator door coupler |
Jacek F. Gieras, Sastry V. Vedula, Pei-Yuan Peng |
2013-04-23 |
| 8201665 |
Magnetic door coupling device for an elevator system |
Jacek F. Gieras, Pei-Yuan Peng |
2012-06-19 |
| 7878306 |
Elevator system without a moving counterweight |
Mark S. Thompson, Richard L. Hollowell |
2011-02-01 |
| 7823699 |
Electromagnetically operated elevator door lock |
Jacek F. Gieras, Pei-Yuan Peng, Muhidin A. Lelic, Gary Copsey |
2010-11-02 |
| 7810611 |
Elevator car assembly having an adjustable platform |
Qingian Zeng, Patricia Derwinski |
2010-10-12 |
| 7650970 |
Elevator door lock sensor device including proximity sensor elements in a selected geometric pattern |
Muhidin A. Lelic, Pei-Yuan Peng, Jacek F. Gieras, Michael J. Tracey, Thomas Malone |
2010-01-26 |
| 7614490 |
Passenger conveyor handrail having a gripping surface with a generally circular cross-section |
John M. Milton-Benoit, Mary Ann T. Valk, Andre Picker, Matthias Steffen, Andreas Stuffel +2 more |
2009-11-10 |
| 7562759 |
Passenger conveyor handrail with sliding material on toothed driven surface |
Changsheng Guo, Klaus Seehausen, Bernward Engelke, Detlev Lindemeier, John M. Milton-Benoit +5 more |
2009-07-21 |