Inventor · disambiguated record
Graham Ralph Powell
Also filed as: POWELL GRAHAM R · POWELL GRAHAM RALPH
4 granted patents·1 pending application·18 citations·filing 1998–2021
70Inventor score
Top patents by PatentIndex Score
5 records- 0180US9322785B2Inclusion detection in polished gemstonesSMITH JAMES GORDON CHARTERS·Filed 2010·Granted Apr 26, 2016·5 cites·34 claims
- 0267US9796536B2Automatic gemstone orientationD'GAMA SIOBHAN·Filed 2012·Granted Oct 24, 2017·3 cites·33 claims
- 0349US2023309665A1Illuminated gemstone assemblyDE BEERS UK LTD·Filed 2021·Application pending·0 cites
- 0441US6358427B1Marking diamondGERSAN ETS·Filed 1998·Granted Mar 19, 2002·10 cites·17 claims
- 0532US9079331B2Gemstone alignmentSMITH JAMES G C·Filed 2010·Granted Jul 14, 2015·0 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →