Inventor · disambiguated record

Darrell Lancaster

Also filed as: LANCASTER DARRELL

2 granted patents·3 citations·filing 2018–2021

44Inventor score

Technology areasE21B

Files withHALLIBURTON ENERGY SERVICES INC2

Top patents by PatentIndex Score

2 records

0177US11053757B2Remotely controllable reel with conveyance for a wellHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Jul 6, 2021·3 cites·20 claims
0259US11506005B2Remotely controllable reel with conveyance for a wellHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Nov 22, 2022·0 cites·22 claims

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