Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460245 | Elevator swing car service of interrise hall calls | — | 1995-10-24 |
| 5454448 | Elevator call buttons having plural illuminated indications of availability and use | Thomas R. Bean, Charles J. Proctor | 1995-10-03 |
| 5300739 | Cyclically varying an elevator car's assigned group in a system where each group has a separate lobby corridor | — | 1994-04-05 |
| 5286930 | Variable elevator door dwell time based upon time of notification of assigned car | Zuhair S. Bahjat | 1994-02-15 |
| 5271484 | Selectable notification time indicating elevator car arrival | Zuhair S. Bahjat | 1993-12-21 |
| 5266757 | Elevator motion profile selection | Karl J. Krapek | 1993-11-30 |
| 5168133 | Automated selection of high traffic intensity algorithms for up-peak period | Zuhair S. Bahjat | 1992-12-01 |
| D325355 | Elevator hall traffic sensor housing | Gary Meguerdichian, William A. Weirsman | 1992-04-14 |
| 4815568 | Weighted relative system response elevator car assignment system with variable bonuses and penalties | — | 1989-03-28 |
| 4804069 | Contiguous floor channeling elevator dispatching | Kandasamy Thangavelu | 1989-02-14 |
| 4792019 | Contiguous floor channeling with up hall call elevator dispatching | Kandasamy Thangavelu | 1988-12-20 |
| 4401190 | Cars/floors and calls/cars elevator assignments | — | 1983-08-30 |
| 4365694 | Preventing elevator car calls behind car | — | 1982-12-28 |
| 4363381 | Relative system response elevator call assignments | — | 1982-12-14 |
| 4352410 | Operational control of elevator car calls | Frederick H. Nowak | 1982-10-05 |
| 4352411 | Elevator floor cutoff | Frederick H. Nowak | 1982-10-05 |
| 4352412 | Elevator express priority service | Frederick H. Nowak | 1982-10-05 |
| 4350226 | Elevator floor stop look-ahead | George E. Sheehy | 1982-09-21 |
| 4349087 | Elevator motor/generator run protocol | Frederick H. Nowak | 1982-09-14 |
| 4323142 | Dynamically reevaluated elevator call assignments | — | 1982-04-06 |
| 4305479 | Variable elevator up peak dispatching interval | Arnold Mendelsohn | 1981-12-15 |
| 4299309 | Empty elevator car determination | J. Mark Deric | 1981-11-10 |