Inventor · disambiguated record
Doug N. Derr
Also filed as: DERR DOUG · DERR DOUG N
2 granted patents·14 citations·filing 2013–2014
57Inventor score
Files withHALLIBURTON ENERGY SERVICES INC2
Top patents by PatentIndex Score
2 records- 0179US9534488B2Electromagnetic ranging source suitable for use in a drill stringHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jan 3, 2017·5 cites·16 claims
- 0277US9222494B2Method and system for rapid deployment of a capping stackHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Dec 29, 2015·9 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →