Inventor · disambiguated record

John N. Yokley

Also filed as: YOKLEY JOHN M · YOKLEY JOHN N

3 granted patents·39 citations·filing 2002–2002

72Inventor score

Technology areasE21B

Files withDRIL QUIP INC3

Top patents by PatentIndex Score

3 records

0167US6761221B1Slip assembly for hanging an elongate member within a wellboreDRIL QUIP INC·Filed 2002·Granted Jul 13, 2004·23 cites·13 claims
0244US6722428B2Apparatus for suspending a pipe within a well casingDRIL QUIP INC·Filed 2002·Granted Apr 20, 2004·12 cites·4 claims
0344US6698513B1Apparatus for use in cementing an inner pipe within an outer pipe within a wellboreDRIL QUIP INC·Filed 2002·Granted Mar 2, 2004·4 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →