Inventor · disambiguated record
Douglas D. Griffin
Also filed as: GRIFFIN DOUGLAS · GRIFFIN DOUGLAS D · GRIFFIN II DOUGLAS D
20 granted patents·1,160 citations·filing 1984–2022
96Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP11CARBON FIBER RECYCLING LLC3BIOMASS IND INC1GWR INSTR1MODERN RECOVERY SYSTEMS INC1
Top patents by PatentIndex Score
20 records- 0198US5055788ABorehole measurement of NMR characteristics of earth formationsSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Oct 8, 1991·143 cites·13 claims
- 0298US5055787ABorehole measurement of NMR characteristics of earth formationsSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Oct 8, 1991·206 cites·60 claims
- 0397US11578271B1Carbon fiber recycling system and method of operationCARBON FIBER RECYCLING LLC·Filed 2021·Granted Feb 14, 2023·16 cites·42 claims
- 0496US6758090B2Method and apparatus for the detection of bubble point pressureSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jul 6, 2004·80 cites·33 claims
- 0596US5705927APulsed nuclear magnetism tool for formation evaluation while drilling including a shortened or truncated CPMG sequenceSCHLUMBERGER TECHNOLOGY CORP·Filed 1996·Granted Jan 6, 1998·145 cites·9 claims
- 0693US4933638ABorehole measurement of NMR characteristics of earth formations, and interpretations thereofSCHLUMBER TECHNOLOGY CORP·Filed 1989·Granted Jun 12, 1990·150 cites·16 claims
- 0790US6612171B1Gravity measuring apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Sep 2, 2003·73 cites·10 claims
- 0889US12005608B1Carbon fiber recycling apparatus, system and methodCARBON FIBER RECYCLING LLC·Filed 2020·Granted Jun 11, 2024·2 cites·35 claims
- 0988US6988547B2Method and system of fluid analysis and control in hydrocarbon wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jan 24, 2006·29 cites·12 claims
- 1083US10676674B1Method, apparatus and system for processing materials for recovery of constituent components and use of such components in asphaltMODERN RECOVERY SYSTEMS INC·Filed 2016·Granted Jun 9, 2020·3 cites·8 claims
- 1178US9932524B1Method, apparatus and system for processing materials for recovery of constituent componentsBIOMASS IND INC·Filed 2015·Granted Apr 3, 2018·3 cites·7 claims
- 1278US6008646AApparatus for protecting a magnetic resonance antennaSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Dec 28, 1999·56 cites·4 claims
- 1377US12036704B1Carbon fiber recycling system and method of operationCARBON FIBER RECYCLING LLC·Filed 2022·Granted Jul 16, 2024·0 cites·34 claims
- 1475US5153514AAntenna and wear plates for borehole logging apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Oct 6, 1992·41 cites·50 claims
- 1574US6490916B1Method and system of fluid analysis and control in a hydrocarbon wellSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Dec 10, 2002·63 cites·30 claims
- 1671US5767674AApparatus for protecting a magnetic resonance antennaFiled 1996·Granted Jun 16, 1998·42 cites·27 claims
- 1762US5831433AWell logging method and apparatus for NMR and resistivity measurementsFiled 1996·Granted Nov 3, 1998·38 cites·22 claims
- 1862US4739272AApparatus for microinductive investigation of earth formations with improved electroquasistatic shieldingSCHLUMBERGER TECHNOLOGY CORP·Filed 1984·Granted Apr 19, 1988·20 cites·11 claims
- 1961US6578405B2Gas seep detectionSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jun 17, 2003·21 cites·22 claims
- 2054US5204568ASuperconducting bearing for borehole and survey gravimetersGWR INSTR·Filed 1991·Granted Apr 20, 1993·29 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →