Inventor · disambiguated record
Norman P. Proehl
Also filed as: PROEHL NORMAN P
4 granted patents·32 citations·filing 1976–1988
71Inventor score
Files withPROEHL NORMAN P4
Top patents by PatentIndex Score
4 records- 0170US4050170ADredge cutter headPROEHL NORMAN P·Filed 1976·Granted Sep 27, 1977·22 cites·8 claims
- 0231US4826219AHydraulic dredge pipeline couplingPROEHL NORMAN P·Filed 1988·Granted May 2, 1989·8 cites·1 claims
- 0325US4470209ADredge swinging apparatusPROEHL NORMAN P·Filed 1983·Granted Sep 11, 1984·2 cites·4 claims
- 0423US4593484AMethod of dredging with a pivotally mounted cutter headPROEHL NORMAN P·Filed 1985·Granted Jun 10, 1986·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →