Inventor · disambiguated record
Nolan C. Lerche
Also filed as: LERCHE NOLAN C
30 granted patents·2 pending applications·2,337 citations·filing 1988–2015
98Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP18LERCHE NOLAN C5BROOKS JAMES E3HUNTING TITAN INC3HUNTING TITAN LTD2
Top patents by PatentIndex Score
32 records- 0198US8576090B2Apparatus and methods for controlling and communicating with downwhole devicesLERCHE NOLAN C·Filed 2008·Granted Nov 5, 2013·70 cites·12 claims
- 0298US8091477B2Integrated detonators for use with explosive devicesBROOKS JAMES E·Filed 2004·Granted Jan 10, 2012·94 cites·56 claims
- 0398US6386108B1Initiation of explosive devicesSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted May 14, 2002·127 cites·34 claims
- 0497US8230788B2Method of fabrication and use of integrated detonatorsBROOKS JAMES E·Filed 2011·Granted Jul 31, 2012·52 cites·7 claims
- 0597US6752083B1Detonators for use with explosive devicesSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Jun 22, 2004·181 cites·45 claims
- 0697US6385031B1Switches for use in toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted May 7, 2002·109 cites·33 claims
- 0797US5088413AMethod and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonatorSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Feb 18, 1992·167 cites·22 claims
- 0896US8931389B2High voltage explosive assembly for downhole detonationsBROOKS JAMES E·Filed 2012·Granted Jan 13, 2015·18 cites·8 claims
- 0996US8884778B2Apparatus and methods for controlling and communicating with downhole devicesHUNTING TITAN LTD·Filed 2013·Granted Nov 11, 2014·79 cites·8 claims
- 1096US5971072AInductive coupler activated completion systemSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Oct 26, 1999·237 cites·27 claims
- 1196US5505134APerforating gun having a plurality of charges including a corresponding plurality of exploding foil or exploding bridgewire initiator apparatus responsive to a pulse of current for simultaneously detonating the plurality of chargesSCHLUMBERGER TECHNICAL CORP·Filed 1994·Granted Apr 9, 1996·119 cites·62 claims
- 1295US9851191B2High voltage explosive assembly for downhole detonationsHUNTING TITAN INC·Filed 2014·Granted Dec 26, 2017·17 cites·11 claims
- 1394US9394767B2Transient control of wellbore pressureHUNTING TITAN INC·Filed 2013·Granted Jul 19, 2016·18 cites·21 claims
- 1492US9464508B2Interactive and/or secure activation of a toolLERCHE NOLAN C·Filed 2009·Granted Oct 11, 2016·42 cites·11 claims
- 1592US8689868B2Tractor communication/control and select fire perforating switch simulationsLERCHE NOLAN C·Filed 2008·Granted Apr 8, 2014·72 cites·24 claims
- 1692US7116542B2Micro-switches for downhole useSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Oct 3, 2006·46 cites·25 claims
- 1792US5347929AFiring system for a perforating gun including an exploding foil initiator and an outer housing for conducting wireline current and EFI currentSCHLUMBERGER TECHNOLOGY CORP·Filed 1993·Granted Sep 20, 1994·158 cites·22 claims
- 1891US7383882B2Interactive and/or secure activation of a toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jun 10, 2008·91 cites·16 claims
- 1991US7347278B2Secure activation of a downhole deviceSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Mar 25, 2008·128 cites·17 claims
- 2090US10557693B2High voltage explosive assembly for downhole detonationsHUNTING TITAN INC·Filed 2015·Granted Feb 11, 2020·7 cites·9 claims
- 2189US7505244B2Micro-switches for downhole useSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Mar 17, 2009·16 cites·6 claims
- 2289US6938689B2Communicating with a toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Sep 6, 2005·126 cites·22 claims
- 2383US6604584B2Downhole activation systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Aug 12, 2003·65 cites·23 claims
- 2482US6283227B1Downhole activation system that assigns and retrieves identifiersSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Sep 4, 2001·94 cites·17 claims
- 2581US7520323B2Interactive and/or secure activation of a toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Apr 21, 2009·17 cites·14 claims
- 2681US7007756B2Providing electrical isolation for a downhole deviceSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Mar 7, 2006·62 cites·29 claims
- 2776US7336474B2Microelectromechanical devicesSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Feb 26, 2008·43 cites·39 claims
- 2875US6148263AActivation of well toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Nov 14, 2000·55 cites·23 claims
- 2960US7549373B2Integrated activating device for explosivesSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jun 23, 2009·10 cites·23 claims
- 3049US4842093AVehicular theft prevention system and methodLERCHE NOLAN C·Filed 1988·Granted Jun 27, 1989·17 cites·48 claims
- 3146US2011066378A1Apparatus and Methods for Controlling and Communicating with Downhole DevicesLERCHE NOLAN C·Filed 2009·Application pending·0 cites
- 3245US2014151018A1Tractor Communication/Control and Select Fire Perforating Switch SimulationsHUNTING TITAN LTD·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →