Inventor · disambiguated record

Ray E. Johnston

Also filed as: JOHNSTON RAY E

2 granted patents·21 citations·filing 2014–2017

60Inventor score

Technology areasE21B

Files withCHEVRON USA INC1 HERNANDEZ CARLOS A1

Top patents by PatentIndex Score

2 records

0191US9896925B2Systems and methods for alerting of abnormal drilling conditionsCHEVRON USA INC·Filed 2017·Granted Feb 20, 2018·16 cites·7 claims
0269US9670767B2Apparatus, system and methods for alerting of abnormal drilling conditionsHERNANDEZ CARLOS A·Filed 2014·Granted Jun 6, 2017·5 cites·8 claims

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