Inventor · disambiguated record
E. Edward Rankin
Also filed as: RANKIN E EDWARD
14 granted patents·2 pending applications·309 citations·filing 1976–2013
93Inventor score
Technology areasE21B
Files withRANKIN E EDWARD7HALLIBURTON CO2PETRO DATA CA2ANNULAR CLEANING SYSTEMS LLC1GEARHART IND INC1
Top patents by PatentIndex Score
16 records- 0181US4799546ADrill pipe conveyed logging systemHALLIBURTON CO·Filed 1987·Granted Jan 24, 1989·67 cites·34 claims
- 0273US4116274AWireline latching apparatus and method of usePETRO DATA CA·Filed 1977·Granted Sep 26, 1978·36 cites·8 claims
- 0372US4090573AWireline sealing apparatus and method for use with a drill stringPETRO DATA CA·Filed 1976·Granted May 23, 1978·35 cites·12 claims
- 0471US4392377AEarly gas detection system for a drill stem testGEARHART IND INC·Filed 1981·Granted Jul 12, 1983·39 cites·9 claims
- 0566US4428421AWireline winch mounting systemH G TESTING COMPANY·Filed 1981·Granted Jan 31, 1984·35 cites·7 claims
- 0661US9249639B2Drilling fluid diverting subRANKIN E EDWARD·Filed 2011·Granted Feb 2, 2016·2 cites·11 claims
- 0761US4844161ALocking orientation sub and alignment housing for drill pipe conveyed logging systemHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Jul 4, 1989·30 cites·20 claims
- 0856US4699216ABlowout preventer for a side entry subRANKIN E EDWARD·Filed 1986·Granted Oct 13, 1987·26 cites·12 claims
- 0951US4678038ASide entry sub well logging apparatus and methodRANKIN E EDWARD·Filed 1986·Granted Jul 7, 1987·17 cites·15 claims
- 1049US7635027B2Method and apparatus for completing a horizontal wellTOLSON JET PERFORATORS INC·Filed 2007·Granted Dec 22, 2009·7 cites·18 claims
- 1146US4278127AApparatus for retrieving drill collarsRANKIN E EDWARD·Filed 1979·Granted Jul 14, 1981·13 cites·3 claims
- 1244US9022114B2Cement shoe and method of cementing well with open hole below the shoeRANKIN E EDWARD·Filed 2012·Granted May 5, 2015·0 cites·16 claims
- 1342US9051797B2Apparatus and method for dispensing chemicals into a wellANNULAR CLEANING SYSTEMS LLC·Filed 2012·Granted Jun 9, 2015·0 cites·10 claims
- 1441US2013233620A1Stabilizer with Drilling Fluid Diverting PortsRANKIN E EDWARD·Filed 2013·Application pending·0 cites
- 1539US2012073820A1Chemical Injector for WellsRANKIN E EDWARD·Filed 2011·Application pending·0 cites
- 1630US4790377ASide entry sub well logging apparatus and methodHALLIBURTON CO·Filed 1987·Granted Dec 13, 1988·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →