Dock Leveler Manufacturing
9Patents
0Active
9Granted
24Portfolio score
Filing activity: Dec 15, 1987 → Dec 4, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5203663A | Vehicle restraining mechanism | Performing Operations; Transporting | 24 | Expired |
| US5343583A | Runoff guard and dock leveler locking apparatus | Performing Operations; Transporting | 24 | Expired |
| US5123135A | Dock leveler support structure and pivoting apparatus | Performing Operations; Transporting | 23 | Expired |
| US4944062A | Dock leveler control system | Performing Operations; Transporting | 23 | Expired |
| US4827549A | Hydraulic dock leveler | Performing Operations; Transporting | 16 | Expired |
| US5214818A | Dock leveler operating apparatus | Performing Operations; Transporting | 16 | Expired |
| US5195205A | Dock leveler operating apparatus | Performing Operations; Transporting | 13 | Expired |
| US4935979A | Dock leveler operating apparatus | Performing Operations; Transporting | 13 | Expired |
| US5657716A | Signaling device for a dock leveler system | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.