Inventor · disambiguated record
Emmitt Edward Rankin
Also filed as: RANKIN EMMITT E · RANKIN EMMITT EDWARD
3 granted patents·74 citations·filing 1977–1988
73Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0170US4108243AApparatus for testing earth formationsGEARHART OWEN INDUSTRIES·Filed 1977·Granted Aug 22, 1978·35 cites·14 claims
- 0268US4083401AApparatus and methods for testing earth formationsGEARHART OWEN INDUSTRIES·Filed 1977·Granted Apr 11, 1978·35 cites·13 claims
- 0328US4884632ASide entry sub well logging apparatus and methodHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Dec 5, 1989·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →