Inventor · disambiguated record

Maria Pena

Also filed as: PENA MARIA · PENA MARIA JOAO RAMOS CORREIA

1 granted patent·1 pending application·27 citations·filing 2000–2020

43Inventor score

Technology areasE21B G06Q

Files withSHELL OIL CO1 TRACFONE WIRELESS INC1

Top patents by PatentIndex Score

2 records

0157US6955216B1Device for injecting a fluid into a formationSHELL OIL CO·Filed 2000·Granted Oct 18, 2005·27 cites·7 claims
0243US2020344358A1System and Process for Implementing a Virtual Airtime Card for Wireless ServicesTRACFONE WIRELESS INC·Filed 2020·Application pending·0 cites

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