Inventor · disambiguated record
David Glen Martin
Also filed as: MARTIN DAVID · MARTIN DAVID G · MARTIN DAVID GLEN
30 granted patents·5 pending applications·1,222 citations·filing 1988–2025
97Inventor score
Files withBAKER HUGHES INC4LUCENT TECHNOLOGIES INC4SCHLUMBERGER TECHNOLOGY CORP4IBM3META DOWNHOLE LTD3
Top patents by PatentIndex Score
35 records- 0194US6345250B1Developing voice response applications from pre-recorded voice and stored text-to-speech promptsIBM·Filed 1999·Granted Feb 5, 2002·276 cites·9 claims
- 0291US6371203B2Method of creating a wellbore in an underground formationSHELL OIL CO·Filed 2001·Granted Apr 16, 2002·109 cites·12 claims
- 0389US6041857AMotor drive actuator for downhole flow control devicesBAKER HUGHES INC·Filed 1997·Granted Mar 28, 2000·140 cites·35 claims
- 0489US4974646APowder flow control valvePORTALS ENG LTD·Filed 1988·Granted Dec 4, 1990·94 cites·11 claims
- 0587US10125567B2PackerSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Nov 13, 2018·6 cites·20 claims
- 0686US5697449AApparatus and method for temporary subsurface well sealing and equipment anchoringBAKER HUGHES INC·Filed 1995·Granted Dec 16, 1997·132 cites·32 claims
- 0785US11515654B2Electrical connector with rotatable biasing memberTECHNETIX BV·Filed 2021·Granted Nov 29, 2022·2 cites·12 claims
- 0882US9863208B2Isolation barrierMETA DOWNHOLE LTD·Filed 2015·Granted Jan 9, 2018·5 cites·19 claims
- 0981US5909130ADigital lock detector for phase-locked loopLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jun 1, 1999·54 cites·49 claims
- 1080US6040726ADigital duty cycle correction loop apparatus and methodLUCENT TECHNOLOGIES INC·Filed 1998·Granted Mar 21, 2000·52 cites·15 claims
- 1178US5553121AVoice response systemIBM·Filed 1995·Granted Sep 3, 1996·85 cites·9 claims
- 1276US2025250877A1Wireless casing packerMETROL TECH LTD·Filed 2025·Application pending·0 cites
- 1375US10450835B2Flow control systemBAKER HUGHES A GE CO LLC·Filed 2017·Granted Oct 22, 2019·2 cites·23 claims
- 1471US9840878B2Connector apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Dec 12, 2017·2 cites·20 claims
- 1571US7834634B2Low-power switch state detection circuit and method and mobile telephone incorporating the sameAGERE SYSTEMS INC·Filed 2005·Granted Nov 16, 2010·6 cites·24 claims
- 1671US6366879B1Controlling interactive voice response system performanceIBM·Filed 1999·Granted Apr 2, 2002·70 cites·15 claims
- 1767US12305474B2Wireless casing packerMETROL TECH LTD·Filed 2022·Granted May 20, 2025·0 cites·32 claims
- 1866US6390193B1Downhole connector for production tubing and control line and methodBAKER HUGHES INC·Filed 2000·Granted May 21, 2002·33 cites·20 claims
- 1965US6186229B1Downhole connector for production tubing and control line and methodBAKER HUGHES INC·Filed 1999·Granted Feb 13, 2001·88 cites·20 claims
- 2064US6526374B1Fractional PLL employing a phase-selection feedback counterAGERE SYSTEMS INC·Filed 1999·Granted Feb 25, 2003·26 cites·14 claims
- 2158US7891428B2Safety valveCALEDYNE LTD·Filed 2005·Granted Feb 22, 2011·9 cites·46 claims
- 2257US9598932B2Flow control systemMARTIN DAVID GLEN·Filed 2012·Granted Mar 21, 2017·2 cites·19 claims
- 2356US12507676B2Gas distribution system for aquaculture reservoir including internal flow control deviceCANADIANPOND CA PRODUCTS LTD·Filed 2022·Granted Dec 30, 2025·0 cites·22 claims
- 2456US11851983B2Rupture apparatusMETROL TECH LTD·Filed 2020·Granted Dec 26, 2023·0 cites·31 claims
- 2553US6107829ALow leakage tristatable MOS output driverLUCENT TECHNOLOGIES INC·Filed 1998·Granted Aug 22, 2000·12 cites·44 claims
- 2647US2015337616A1Isolation BarrierMETA DOWNHOLE LTD·Filed 2015·Application pending·0 cites
- 2744US7343977B2Translating downhole toolWEATHERFORD LAMB·Filed 2004·Granted Mar 18, 2008·3 cites·20 claims
- 2843US10184302B2Morphing tubularsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jan 22, 2019·0 cites·18 claims
- 2940US9752419B2Morphing tubularsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 5, 2017·0 cites·15 claims
- 3039US10094495B2Pipe coupling make up assemblyMORPHPACKERS LTD·Filed 2015·Granted Oct 9, 2018·0 cites·20 claims
- 3139US2020059025A1ConnectorTECHNETIX BV·Filed 2019·Application pending·0 cites
- 3237US6127860ALinear expansion based sine generatorLUCENT TECHNOLOGIES INC·Filed 1997·Granted Oct 3, 2000·9 cites·14 claims
- 3336US2016047176A1Apparatus and Method of Connecting Tubular Members In Multi-Lateral WellboresMETA DOWNHOLE LTD·Filed 2015·Application pending·0 cites
- 3435US2004042957A1Method and apparatus for providing pressurized hydrogen gasFiled 2001·Application pending·0 cites
- 3525US6389553B1Redundant link delay maintenance circuit and methodNORTEL NETWORKS LTD·Filed 1998·Granted May 14, 2002·5 cites·28 claims
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