Ralph C. Luebke
5Patents
5h-index
3Co-inventors
52Inventor score
Filing activity: Jun 3, 1977 → Mar 23, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5288166A | Laser operated automatic grade control system for concrete finishing | Fixed Constructions | 60 | Expired |
| US5352063A | Polymer concrete paving machine | Fixed Constructions | 46 | Expired |
| US5405216A | Finishing trowel pitch control and clutch system | Fixed Constructions | 23 | Expired |
| US4454837A | Truck for transporting boxes of poultry | Performing Operations; Transporting | 15 | Expired |
| US4092011A | Lift mechanism for a truck | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.