Inventor · disambiguated record
David Ralph Stewart
Also filed as: STEWART DAVID R · STEWART DAVID RALPH
12 granted patents·1 pending application·253 citations·filing 1988–2015
92Inventor score
Top patents by PatentIndex Score
13 records- 0193US6854327B2Apparatus and method for monitoring compactionSHELL OIL CO·Filed 2002·Granted Feb 15, 2005·52 cites·28 claims
- 0290US8776609B2Use of fiber optics to monitor cement qualityDRIA DENNIS EDWARD·Filed 2010·Granted Jul 15, 2014·16 cites·8 claims
- 0380US9574434B2Monitoring system for well casingSHELL OIL CO·Filed 2015·Granted Feb 21, 2017·3 cites·16 claims
- 0479US8973434B2Monitoring system for well casingALBRECHT MICHELE SCOTT·Filed 2009·Granted Mar 10, 2015·20 cites·13 claims
- 0576US4921646AForming laminated billets from individual billetsSHELL OIL CO·Filed 1988·Granted May 1, 1990·37 cites·3 claims
- 0671US4906172AMold press with dielectric electrodesSHELL OIL CO·Filed 1988·Granted Mar 6, 1990·31 cites·1 claims
- 0770US4921647AMethod of shaping a laminated thermoplastic billetSHELL OIL CO·Filed 1988·Granted May 1, 1990·28 cites·2 claims
- 0869US5446104ACrosslinkable low viscosity star polymer blendsSHELL OIL CO·Filed 1993·Granted Aug 29, 1995·25 cites·8 claims
- 0968US4867336AContinuous lid seamSHELL OIL CO·Filed 1988·Granted Sep 19, 1989·27 cites·11 claims
- 1042US6187873B1Increased throughput in the manufacture of block copolymers by reduction in polymer cement viscosity through the addition of polar solventsSHELL OIL CO·Filed 1998·Granted Feb 13, 2001·5 cites·4 claims
- 1137US2012136577A1Systems and methods for monitoring corrosion in a wellDRIA DENNIS EDWARD·Filed 2010·Application pending·0 cites
- 1236US4886187APlastic container with enhanced insulationSHELL OIL CO·Filed 1988·Granted Dec 12, 1989·5 cites·1 claims
- 1331US6458300B1Conversion of sticky elastomeric polymer crumb into pellets without polymer degradationKRATON POLYMERS US LLC·Filed 1999·Granted Oct 1, 2002·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →