Inventor · disambiguated record
David Kirkpatrick Muirhead
Also filed as: MUIRHEAD DAVID · MUIRHEAD DAVID KIRKPATRICK
2 granted patents·4 citations·filing 2013–2014
47Inventor score
Technology areasE21B
Files withHALLIBURTON ENERGY SERVICES INC2
Top patents by PatentIndex Score
2 records- 0159US10808528B2On-site mass spectrometry for liquid and extracted gas analysis of drilling fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Oct 20, 2020·2 cites·13 claims
- 0258US9745848B2Drilling fluid analysis using time-of-flight mass spectrometryHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Aug 29, 2017·2 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →