Inventor · disambiguated record
Hilbert D. Dahl
Also filed as: DAHL HILBERT D
4 granted patents·70 citations·filing 1974–1980
76Inventor score
Top patents by PatentIndex Score
4 records- 0165US4305474AThrust actuated drill guidance deviceCONOCO INC·Filed 1980·Granted Dec 15, 1981·41 cites·3 claims
- 0252US3981541AShallow underground coal slurry concentration sumpCONTINENTAL OIL CO·Filed 1974·Granted Sep 21, 1976·14 cites·11 claims
- 0349US3942841ASlurry handling systemCONTINENTAL OIL CO·Filed 1974·Granted Mar 9, 1976·13 cites·3 claims
- 0430US4381161ASlurry recovery from a circular sumpCONOCO INC·Filed 1980·Granted Apr 26, 1983·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →