Perard Engineering Ltd.
5Patents
0Active
5Granted
24Portfolio score
Filing activity: Jan 30, 1975 → Jan 14, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4006937A | Carriage especially for use in mines | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4240665A | Conveyor mounted vehicle | Fixed Constructions | 9 | Expired |
| US3997039A | Looped cable carrier | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4119348A | Looped cable control device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4424722A | Rack and pinion drive arrangement | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.