Inventor · disambiguated record
Charles H. Dewey
Also filed as: DEWEY CHARLES · DEWEY CHARLES H
75 granted patents·8 pending applications·3,221 citations·filing 1985–2020
99Inventor score
Files withSMITH INTERNATIONAL52DEWEY CHARLES H6HALLIBURTON CO3WELLBORE INTEGRITY SOLUTIONS LLC3WILDCAT OIL TOOLS LLC3
Top patents by PatentIndex Score
83 records- 0198US7314099B2Selectively actuatable expandable underreamer/stablizerSMITH INTERNATIONAL·Filed 2006·Granted Jan 1, 2008·135 cites·27 claims
- 0298US6732817B2Expandable underreamer/stabilizerSMITH INTERNATIONAL·Filed 2002·Granted May 11, 2004·381 cites·73 claims
- 0398US5332048AMethod and apparatus for automatic closed loop drilling systemHALLIBURTON CO·Filed 1992·Granted Jul 26, 1994·376 cites·26 claims
- 0497US7513318B2Steerable underreamer/stabilizer assembly and methodSMITH INTERNATIONAL·Filed 2006·Granted Apr 7, 2009·88 cites·23 claims
- 0596US5318138AAdjustable stabilizerHALLIBURTON CO·Filed 1992·Granted Jun 7, 1994·210 cites·35 claims
- 0695US7048078B2Expandable underreamer/stabilizerSMITH INTERNATIONAL·Filed 2004·Granted May 23, 2006·115 cites·16 claims
- 0795US5171139AMoineau motor with conduits through the statorSMITH INTERNATIONAL·Filed 1991·Granted Dec 15, 1992·99 cites·4 claims
- 0893US7506703B2Drilling and hole enlargement deviceSMITH INTERNATIONAL·Filed 2006·Granted Mar 24, 2009·48 cites·11 claims
- 0993US6612383B2Method and apparatus for milling well casing and drilling formationSMITH INTERNATIONAL·Filed 2000·Granted Sep 2, 2003·126 cites·6 claims
- 1093US5318137AMethod and apparatus for adjusting the position of stabilizer bladesHALLIBURTON CO·Filed 1992·Granted Jun 7, 1994·166 cites·34 claims
- 1193US4693328AExpandable well drilling toolSMITH INTERNATIONAL·Filed 1986·Granted Sep 15, 1987·124 cites·33 claims
- 1292US6378632B1Remotely operable hydraulic underreamerSMITH INTERNATIONAL·Filed 1999·Granted Apr 30, 2002·157 cites·20 claims
- 1391US6289999B1Fluid flow control devices and methods for selective actuation of valves and hydraulic drilling toolsSMITH INTERNATIONAL·Filed 1998·Granted Sep 18, 2001·152 cites·52 claims
- 1490US4660657AUnderreamerSMITH INTERNATIONAL·Filed 1985·Granted Apr 28, 1987·99 cites·14 claims
- 1589US8122977B2Cutting device with multiple cutting structuresDEWEY CHARLES H·Filed 2010·Granted Feb 28, 2012·12 cites·19 claims
- 1689US6752211B2Method and apparatus for multilateral junctionSMITH INTERNATIONAL·Filed 2001·Granted Jun 22, 2004·82 cites·37 claims
- 1788US7757787B2Drilling and hole enlargement deviceSMITH INTERNATIONAL·Filed 2007·Granted Jul 20, 2010·34 cites·20 claims
- 1887US9051793B2Apparatuses and methods for stabilizing downhole toolsMAKKAR NAVISH·Filed 2011·Granted Jun 9, 2015·10 cites·15 claims
- 1987US8739900B2System and method for coupling a drill bit to a whipstockGREGUREK PHILIP M·Filed 2012·Granted Jun 3, 2014·11 cites·20 claims
- 2084US8820437B2Cementing whipstock apparatus and methodsERVIN DAVID L·Filed 2011·Granted Sep 2, 2014·12 cites·44 claims
- 2184US6499537B1Well reference apparatus and methodSMITH INTERNATIONAL·Filed 2000·Granted Dec 31, 2002·54 cites·22 claims
- 2282US11111748B2Milling tools with a secondary attrition systemWELLBORE INTEGRITY SOLUTIONS LLC·Filed 2020·Granted Sep 7, 2021·2 cites·17 claims
- 2381US8459357B2Milling system and method of millingDEWEY CHARLES H·Filed 2010·Granted Jun 11, 2013·7 cites·27 claims
- 2480US6648068B2One-trip milling systemSMITH INTERNATIONAL·Filed 1999·Granted Nov 18, 2003·62 cites·28 claims
- 2580US5771972AOne trip milling systemSMITH INTERNATIONAL·Filed 1996·Granted Jun 30, 1998·83 cites·44 claims
- 2679US10815745B2Thru-casing section millWELLBORE INTEGRITY SOLUTIONS LLC·Filed 2016·Granted Oct 27, 2020·4 cites·23 claims
- 2779US8844620B2Side-tracking system and related methodsGREGUREK PHILIP M·Filed 2010·Granted Sep 30, 2014·7 cites·23 claims
- 2879US8640792B2Flexible directional drilling apparatus and related methodsUNDERWOOD LANCE D·Filed 2010·Granted Feb 4, 2014·5 cites·28 claims
- 2979US7377328B2Expandable anchorSMITH INTERNATIONAL·Filed 2005·Granted May 27, 2008·18 cites·37 claims
- 3077US7448446B2Thru tubing tool and methodSMITH INTERNATIONAL·Filed 2007·Granted Nov 11, 2008·16 cites·40 claims
- 3176US6554062B1Anchor apparatus and methodSMITH INTERNATIONAL·Filed 2000·Granted Apr 29, 2003·46 cites·17 claims
- 3275US8978783B2Jet arrangement on an expandable downhole toolCRUICKSHANK BRIAN·Filed 2011·Granted Mar 17, 2015·6 cites·24 claims
- 3375US8967300B2Pressure activated flow switch for a downhole toolDEWEY CHARLES H·Filed 2012·Granted Mar 3, 2015·7 cites·6 claims
- 3475US8881845B2Expandable window milling bit and methods of milling a window in casingDEWEY CHARLES H·Filed 2012·Granted Nov 11, 2014·4 cites·17 claims
- 3575US7207401B2One trip milling systemSMITH INTERNATIONAL·Filed 2003·Granted Apr 24, 2007·32 cites·38 claims
- 3674US8997895B2System and method for coupling an impregnated drill bit to a whipstockSWADI SHANTANU N·Filed 2012·Granted Apr 7, 2015·5 cites·27 claims
- 3774US7861802B2Flexible directional drilling apparatus and methodSMITH INTERNATIONAL·Filed 2006·Granted Jan 4, 2011·12 cites·15 claims
- 3874US6354375B1Lateral well tie-back method and apparatusSMITH INTERNATIONAL·Filed 2000·Granted Mar 12, 2002·42 cites·32 claims
- 3973US10538983B2Milling tools with a secondary attrition systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jan 21, 2020·2 cites·12 claims
- 4073US9097073B2Dual string section millSCHMIDT RONALD G·Filed 2012·Granted Aug 4, 2015·5 cites·34 claims
- 4173US6032748ANon-rotatable stabilizer and torque reducerSMITH INTERNATIONAL·Filed 1997·Granted Mar 7, 2000·81 cites·27 claims
- 4270US8973679B2Integrated reaming and measurement system and related methods of useDEWEY CHARLES·Filed 2011·Granted Mar 10, 2015·6 cites·18 claims
- 4370US7597158B2Drilling and hole enlargement deviceSMITH INTERNATIONAL·Filed 2008·Granted Oct 6, 2009·9 cites·41 claims
- 4468US10704329B2Cementing whipstock assembly and running tool with releasably engaged cement tube for minimizing downhole trips during lateral drill sidetracking operationsWILDCAT OIL TOOLS LLC·Filed 2019·Granted Jul 7, 2020·1 cites·20 claims
- 4567US8186458B2Expandable window milling bit and methods of milling a window in casingDEWEY CHARLES H·Filed 2005·Granted May 29, 2012·9 cites·33 claims
- 4667US5894889AOne trip milling systemSMITH INTERNATIONAL·Filed 1997·Granted Apr 20, 1999·49 cites·30 claims
- 4766US8763729B2Percussion drilling assembly and hammer bit with gage and outer row reinforcementSMITH INTERNATIONAL·Filed 2013·Granted Jul 1, 2014·2 cites·21 claims
- 4866US7225889B2Downhole motor locking assembly and methodSMITH INTERNATIONAL·Filed 2006·Granted Jun 5, 2007·7 cites·32 claims
- 4966US6543536B2Well reference apparatus and methodSMITH INTERNATIONAL·Filed 2001·Granted Apr 8, 2003·28 cites·26 claims
- 5065US11002082B2Millable bit to whipstock connectorWELLBORE INTEGRITY SOLUTIONS LLC·Filed 2016·Granted May 11, 2021·1 cites·23 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →