Inventor · disambiguated record
Roy Powell
Also filed as: POWELL ROY · POWELL ROY D · POWELL ROY LLOYD
3 granted patents·2 pending applications·29 citations·filing 1993–2008
69Inventor score
Files withDENNIS TOOL COMPANY1IMPAACT INNOVENTIONS GROUP INC1NEYROFOR WEIR LIMITED1POWELL ROY D1SMITH INTERNATIONAL1
Top patents by PatentIndex Score
5 records- 0146US7719143B2Apparatus for providing an auxiliary electrical outletIMPAACT INNOVENTIONS GROUP INC·Filed 2008·Granted May 18, 2010·5 cites·18 claims
- 0242US7252150B2Downhole toolSMITH INTERNATIONAL·Filed 2004·Granted Aug 7, 2007·7 cites·26 claims
- 0342US2007031231A1Gas cylinder liftPOWELL ROY D·Filed 2006·Application pending·0 cites
- 0436US5513714AStabilization devices for drill motorsNEYROFOR WEIR LIMITED·Filed 1993·Granted May 7, 1996·17 cites·11 claims
- 0536US2006237234A1Earth boring toolDENNIS TOOL COMPANY·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →