Inventor · disambiguated record
Rory Mccrae Tulloch
Also filed as: TULLOCH RORY · TULLOCH RORY M · TULLOCH RORY MCCRAE
24 granted patents·1 pending application·619 citations·filing 1986–2018
96Inventor score
Files withSMITH INTERNATIONAL7NOV DOWNHOLE EURASIA LTD5DRILEX LTD3WEATHERFORD LAMB3NAT OILWELL DHT LP1
Top patents by PatentIndex Score
25 records- 0190US9970264B2Downhole actuation apparatus and associated methodsNOV DOWNHOLE EURASIA LTD·Filed 2015·Granted May 15, 2018·7 cites·31 claims
- 0289US7311141B2Casing scraperSMITH INTERNATIONAL·Filed 2005·Granted Dec 25, 2007·36 cites·20 claims
- 0387US7337847B2Multi-cycle downhole apparatusSMITH INTERNATIONAL·Filed 2003·Granted Mar 4, 2008·83 cites·12 claims
- 0482US4775017ADrilling using downhole drilling toolsDRILEX LTD·Filed 1987·Granted Oct 4, 1988·72 cites·10 claims
- 0580US7100713B2Expandable apparatus for drift and reaming boreholeWEATHERFORD LAMB·Filed 2001·Granted Sep 5, 2006·57 cites·67 claims
- 0678US8286733B2Rotary steerable toolTULLOCH RORY MCCRAE·Filed 2010·Granted Oct 16, 2012·11 cites·17 claims
- 0774US10081984B2Downhole motor, drill string provided with such a motor and method of releasing a stuck drill bit attached to such a motorNOV DOWNHOLE EURASIA LTD·Filed 2015·Granted Sep 25, 2018·2 cites·11 claims
- 0874US6095249ADown hole bypass valveFiled 1996·Granted Aug 1, 2000·74 cites·10 claims
- 0973US7293616B2Expandable bitWEATHERFORD LAMB·Filed 2001·Granted Nov 13, 2007·42 cites·24 claims
- 1073US6293342B1Bypass valve closing meansSMITH INTERNATIONAL·Filed 1998·Granted Sep 25, 2001·64 cites·21 claims
- 1171US4796704ADrop ball sub-assembly for a down-hole deviceDRILEX LTD·Filed 1986·Granted Jan 10, 1989·29 cites·9 claims
- 1270US8011448B2Rotary steerable toolSONDEX LTD·Filed 2007·Granted Sep 6, 2011·13 cites·26 claims
- 1369US7357198B2Downhole apparatusSMITH INTERNATIONAL·Filed 2004·Granted Apr 15, 2008·37 cites·11 claims
- 1468US10000970B2Downhole drilling assembly with motor powered hammer and method of using sameNAT OILWELL DHT LP·Filed 2013·Granted Jun 19, 2018·3 cites·30 claims
- 1567US7506704B2Downhole swivel jointSMITH INTERNATIONAL·Filed 2006·Granted Mar 24, 2009·10 cites·11 claims
- 1666US7255164B2Casing brush assemblySMITH INTERNATIONAL·Filed 2005·Granted Aug 14, 2007·9 cites·23 claims
- 1758US9909367B2Downhole tool with rotational drive coupling and associated methodsNOV DOWNHOLE EURASIA LTD·Filed 2013·Granted Mar 6, 2018·1 cites·33 claims
- 1847US5911275AApparatus for milling a well casingFiled 1995·Granted Jun 15, 1999·26 cites·11 claims
- 1944US7857058B2Downhole swivel joint assembly and method of using said swivel joint assemblySMITH INTERNATIONAL·Filed 2004·Granted Dec 28, 2010·6 cites·49 claims
- 2043US7954561B2Vertical direction adjustment tool for downhole drilling apparatusSONDEX PLC·Filed 2008·Granted Jun 7, 2011·4 cites·20 claims
- 2143US4844179ADrill string stabilizerDRILEX LTD·Filed 1986·Granted Jul 4, 1989·16 cites·6 claims
- 2239US11499374B2Downhole devices and associated apparatus and methodsNOV DOWNHOLE EURASIA LTD·Filed 2018·Granted Nov 15, 2022·0 cites·19 claims
- 2338US7025136B2Torque reduction toolWEATHERFORD LAMB·Filed 2001·Granted Apr 11, 2006·5 cites·8 claims
- 2436US6024166AApparatus for forming a slot in a wellboreRED BARON OIL TOOLS RENTAL·Filed 1996·Granted Feb 15, 2000·12 cites·12 claims
- 2536US2014008127A1Downhole drilling force assembly and method of using sameNOV DOWNHOLE EURASIA LTD·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →