Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163913 | Dock leveler | Thomas M. DiSieno, John J. LeTourneau | 2000-12-26 |
| 6112353 | Dock leveler lip actuating mechanism | — | 2000-09-05 |
| 6061859 | Self releasing hold-down mechanism for dock leveler | — | 2000-05-16 |
| 5802651 | Dock leveler with a movable ramp and an inflatable member | Douglas H. Massey | 1998-09-08 |
| 5784740 | Dock leveler | Thomas M. DiSieno, John J. LeTourneau | 1998-07-28 |
| 5781953 | Dock leveler ramp | — | 1998-07-21 |
| 5522108 | Dock leveler having a ramp movable to a raised position by inflation of an inflatable member, with a filler for occupying volume within the inflatable member | Douglas H. Massey | 1996-06-04 |
| 5431374 | Nozzle and base plate apparatus and method for use in a tundish slide gate valve | Dominique Janssen, Jon Bell, Dave Moore, George Sundy, Alan J. Engel, Sr. | 1995-07-11 |