Inventor · disambiguated record
John Key
Also filed as: KEY JOHN · KEY JOHN R · KEY JOHN ROLAND
10 granted patents·1 pending application·367 citations·filing 1987–2015
90Inventor score
Files withHALLIBURTON ENERGY SERVICES INC5TIPS TIMOTHY RATHER2ACOSTA FRANK V1HELMS LONNIE1KEY JOHN R1
Top patents by PatentIndex Score
11 records- 0196US8616276B2Remotely activated downhole apparatus and methodsTIPS TIMOTHY RATHER·Filed 2011·Granted Dec 31, 2013·49 cites·17 claims
- 0294US8646537B2Remotely activated downhole apparatus and methodsTIPS TIMOTHY RATHER·Filed 2011·Granted Feb 11, 2014·29 cites·19 claims
- 0390US5371915AAngular headed toothbrushFiled 1993·Granted Dec 13, 1994·112 cites·4 claims
- 0489US4800608AToothbrushKEY JOHN R·Filed 1987·Granted Jan 31, 1989·150 cites·3 claims
- 0584US10053945B2Breakaway obturator for downholeHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Aug 21, 2018·9 cites·13 claims
- 0680US8708056B2External casing packer and method of performing cementing jobHELMS LONNIE·Filed 2012·Granted Apr 29, 2014·10 cites·20 claims
- 0776US9376886B2Multiple ramp compression packerHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jun 28, 2016·3 cites·14 claims
- 0870US9243480B2System and method for activating a down hole toolHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Jan 26, 2016·3 cites·13 claims
- 0962US9476273B2Pressure activated down hole systems and methodsHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Oct 25, 2016·2 cites·16 claims
- 1051US9500066B2System and method for activating a down hole toolHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Nov 22, 2016·0 cites·16 claims
- 1136US2013180732A1Multiple Ramp Compression PackerACOSTA FRANK V·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →