Inventor · disambiguated record
Stuart M. Jeffries
Also filed as: JEFFRIES STUART M · JEFFRIES STUART MAXWELL
2 granted patents·1 pending application·3 citations·filing 2012–2014
43Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0155US8783381B2Formation testing in managed pressure drillingJEFFRIES STUART M·Filed 2012·Granted Jul 22, 2014·3 cites·11 claims
- 0241US9759064B2Formation testing in managed pressure drillingHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Sep 12, 2017·0 cites·16 claims
- 0330US2014041946A1Friction reduction device for drill pipeHOLTZMAN KEITH E·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →