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

Files withGEARHART OWEN INDUSTRIES2 HALLIBURTON LOGGING SERVICES1

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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