Inventor · disambiguated record
Daniel S. Matthews
Also filed as: MATTHEWS DANIEL · MATTHEWS DANIEL S
7 granted patents·76 citations·filing 2001–2017
85Inventor score
Files withBAKER HUGHES INC3BAKER HUGHES A GE CO LLC1MATTHEWS GLADYS E1MILLER II JAMES L1MILLER JAMES1
Top patents by PatentIndex Score
7 records- 0193US9810036B2Pressure actuated frack ball releasing toolBAKER HUGHES INC·Filed 2014·Granted Nov 7, 2017·18 cites·16 claims
- 0292US9650857B2Method of selective release of an object to a seat on a frack plug from immediately adjacent the frack plugBAKER HUGHES INC·Filed 2014·Granted May 16, 2017·19 cites·18 claims
- 0390US9593560B2Method of recovery of an occluding object for a frack plug in the event of gun misfireBAKER HUGHES INC·Filed 2014·Granted Mar 14, 2017·14 cites·38 claims
- 0481US9212547B2Monitoring device for plug assemblyMILLER JAMES·Filed 2013·Granted Dec 15, 2015·8 cites·20 claims
- 0579US10443338B2Pressure actuated frack ball releasing toolBAKER HUGHES A GE CO LLC·Filed 2017·Granted Oct 15, 2019·2 cites·10 claims
- 0663US9359887B2Recoverable data acquisition system and method of sensing at least one parameter of a subterranean boreMILLER II JAMES L·Filed 2013·Granted Jun 7, 2016·3 cites·14 claims
- 0750USD495876SPocket handbagMATTHEWS GLADYS E·Filed 2001·Granted Sep 14, 2004·12 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →