Inventor · disambiguated record
Mark Carmichael
Also filed as: CARMICHAEL MARK · CARMICHAEL MARK A
18 granted patents·2 pending applications·1,293 citations·filing 1997–2013
96Inventor score
Files withSPECIALISED PETROLEUM SERV LTD12SPS AFOS GROUP LTD3IBM2SPECIALIZED PETROLEUM SERVICES1SPS AFOS INTERNAT LTD1
Top patents by PatentIndex Score
20 records- 0198US6253861B1Circulation toolSPECIALISED PETROLEUM SERV LTD·Filed 1999·Granted Jul 3, 2001·337 cites·15 claims
- 0294US6220357B1Downhole flow control toolSPECIALISED PETROLEUM SERV LTD·Filed 1998·Granted Apr 24, 2001·197 cites·7 claims
- 0390US6655462B1Magnetic well cleaning apparatusSPS AFOS INTERNAT LTD·Filed 2000·Granted Dec 2, 2003·119 cites·11 claims
- 0485US6250387B1Apparatus for catching debris in a well-boreSPS AFOS GROUP LTD·Filed 1999·Granted Jun 26, 2001·102 cites·12 claims
- 0581US6152221AApparatus with retractable cleaning membersSPECIALISED PETROLEUM SERV LTD·Filed 1999·Granted Nov 28, 2000·84 cites·5 claims
- 0678US6453996B1Apparatus incorporating jet pump for well head cleaningSPS AFOS GROUP LTD·Filed 2000·Granted Sep 24, 2002·52 cites·12 claims
- 0776US6102060ADetachable locking device for a control valve and methodSPECIALISED PETROLEUM SERV LTD·Filed 1998·Granted Aug 15, 2000·70 cites·18 claims
- 0875US6152220ADown-hole tool with centralising componentSPECIALISED PETROLEUM SERV LTD·Filed 1999·Granted Nov 28, 2000·64 cites·19 claims
- 0973US6227291B1Compact well clean up tool with multifunction cleaning apparatusSPECIALISED PETROLEUM SERV LTD·Filed 1999·Granted May 8, 2001·60 cites·5 claims
- 1069US6401813B1Wellhead cleanup toolSPS AFOS GROUP LTD·Filed 2000·Granted Jun 11, 2002·34 cites·14 claims
- 1165US6454009B2Apparatus and method for cleaning well risersFiled 2001·Granted Sep 24, 2002·28 cites·9 claims
- 1262US2014310040A1Using crowdsourcing for problem determinationIBM·Filed 2013·Application pending·0 cites
- 1361US2014310061A1Using crowdsourcing for problem determinationIBM·Filed 2013·Application pending·0 cites
- 1459US6497295B1Torque limiting toolSPECIALISED PETROLEUM SERV LTD·Filed 2000·Granted Dec 24, 2002·21 cites·13 claims
- 1552US6302214B1Apparatus and method for inflating packers in a drilling wellSPECIALISED PETROLEUM SERV LTD·Filed 1999·Granted Oct 16, 2001·27 cites·28 claims
- 1652US6279657B1Apparatus and method for circulating fluid in a well boreSPECIALISED PETROLEUM SERV LTD·Filed 1998·Granted Aug 28, 2001·28 cites·8 claims
- 1750US6152228AApparatus and method for circulating fluid in a boreholeSPECIALISED PETROLEUM SERV LTD·Filed 1997·Granted Nov 28, 2000·27 cites·24 claims
- 1848US6343648B1Down-hole tool with detachable cleaning padsSPECIALISED PETROLEUM SERV LTD·Filed 1999·Granted Feb 5, 2002·23 cites·14 claims
- 1946US7322419B2Circulating sub and methodSPECIALISED PETROLEUM SERV LTD·Filed 2003·Granted Jan 29, 2008·8 cites·24 claims
- 2033US6347667B1Well clean-up tool with improved cleaning memberSPECIALIZED PETROLEUM SERVICES·Filed 1999·Granted Feb 19, 2002·12 cites·5 claims
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