Inventor · disambiguated record
Ralph C. Luebke
Also filed as: LUEBKE RALPH · LUEBKE RALPH C
5 granted patents·317 citations·filing 1977–1993
85Inventor score
Top patents by PatentIndex Score
5 records- 0195US5352063APolymer concrete paving machineALLEN ENG CORP·Filed 1992·Granted Oct 4, 1994·103 cites·27 claims
- 0292US5288166ALaser operated automatic grade control system for concrete finishingALLEN ENG CORP·Filed 1992·Granted Feb 22, 1994·101 cites·16 claims
- 0389US4454837ATruck for transporting boxes of poultryMOORE & SONS INC·Filed 1982·Granted Jun 19, 1984·53 cites·17 claims
- 0475US5405216AFinishing trowel pitch control and clutch systemALLEN ENG CORP·Filed 1993·Granted Apr 11, 1995·46 cites·14 claims
- 0556US4092011ALift mechanism for a truckMOORE & SONS INC·Filed 1977·Granted May 30, 1978·14 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →