Inventor · disambiguated record
Mark Dwayne Boyd
Also filed as: BOYD MARK · BOYD MARK DWAYNE
4 granted patents·1 pending application·86 citations·filing 1996–2007
78Inventor score
Technology areasE21B
Top patents by PatentIndex Score
5 records- 0182US7478673B2Frac head including a mixing chamberBOYD S BIT SERVICE INC·Filed 2006·Granted Jan 20, 2009·30 cites·22 claims
- 0257US7533732B2Dual entry apparatus for a subterranean boreholeSMITH INTERNATIONAL·Filed 2006·Granted May 19, 2009·7 cites·3 claims
- 0349US5979572AFlow control toolUWG LTD·Filed 1996·Granted Nov 9, 1999·40 cites·18 claims
- 0434US2008257541A1Wellhead isolation tool including an abrasive cleaning ringBOYD S BIT SERVICE INC·Filed 2007·Application pending·0 cites
- 0532US6095243AWashout arrangement for a wellPLEXUS OCEAN SYST LTD·Filed 1998·Granted Aug 1, 2000·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →