Inventor · disambiguated record
Edward Shannon Royer
Also filed as: ROYER EDWARD S · ROYER EDWARD SHANNON
3 granted patents·105 citations·filing 1996–2020
71Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0174US5785125AMechanical thru-tubing centralizerTIW CORP·Filed 1996·Granted Jul 28, 1998·88 cites·20 claims
- 0272US11261696B2Selective position top-down cementing toolDRIL QUIP INC·Filed 2020·Granted Mar 1, 2022·1 cites·19 claims
- 0370US7318478B2Downhole ball circulation toolTIW CORP·Filed 2005·Granted Jan 15, 2008·16 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →