Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010499 | Multi-car elevator hoistway separation assurance | Richard C. McCarthy, Richard E. Peruggi, Randall Keith Roberts, Harold Terry, Gilbert W. Wierschke | 2015-04-21 |
| 8939262 | Elevator over-acceleration and over-speed protection system | Daryl J. Marvin, Harold Terry, James M. Draper, Anthony Cooney, Jose M. Carballo | 2015-01-27 |
| 8827044 | Over-acceleration and over-speed detection and processing system | Daryl J. Marvin, Harold Terry, James M. Draper, Anthony Cooney, Jose M. Carballo | 2014-09-09 |
| 8631909 | Electromagnetic safety trigger | James M. Draper, Harold Terry, Daryl J. Marvin, Anthony Cooney, Jose M. Carballo | 2014-01-21 |
| 8292038 | Control device for operating two elevator cars in a single hoistway | Richard C. McCarthy, Harold Terry | 2012-10-23 |
| 7819228 | Collison prevention in hoistway with two elevator cars | Harold Terry, Frank Sansevero | 2010-10-26 |