Inventor · disambiguated record
John M. Leuthen
Also filed as: LEUTHEN JOHN M · LEUTHEN JOHN MICHAEL
18 granted patents·2 pending applications·306 citations·filing 1982–2016
95Inventor score
Top patents by PatentIndex Score
20 records- 0190US8141646B2Device and method for gas lock detection in an electrical submersible pump assemblyALLEN ROBERT D·Filed 2009·Granted Mar 27, 2012·23 cites·18 claims
- 0290US7798215B2Device, method and program product to automatically detect and break gas locks in an ESPBAKER HUGHES INC·Filed 2008·Granted Sep 21, 2010·24 cites·6 claims
- 0389US7607896B2Systems and methods for power ride-through in variable speed drivesBAKER HUGHES INC·Filed 2006·Granted Oct 27, 2009·20 cites·16 claims
- 0488US8334666B2Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assemblyPLITT SHELDON·Filed 2010·Granted Dec 18, 2012·16 cites·20 claims
- 0580US7040391B2Low harmonic diode clamped converter/inverterBAKER HUGHES INC·Filed 2003·Granted May 9, 2006·37 cites·22 claims
- 0676US4491778AMotor variable frequency driveHUGHES TOOL CO·Filed 1984·Granted Jan 1, 1985·25 cites·3 claims
- 0774US4680664AOvercurrent protection circuit for power transistorsHUGHES TOOL CO·Filed 1985·Granted Jul 14, 1987·22 cites·3 claims
- 0874US4542324AOvertemperature speed control for a variable speed driveHUGHES TOOL CO·Filed 1982·Granted Sep 17, 1985·23 cites·3 claims
- 0972US8092190B2Systems and methods for reducing pump downtime by determining rotation speed using a variable speed driveLEUTHEN JOHN M·Filed 2008·Granted Jan 10, 2012·9 cites·22 claims
- 1070US7834643B2Systems and methods for reducing distortion in a power source using an active harmonics filterBAKER HUGHES INC·Filed 2008·Granted Nov 16, 2010·10 cites·18 claims
- 1167US6043995AMethod and apparatus for pulse width modulation of a power supply for increased transient stability in subsurface wellbore pumpsCENTRILIFT·Filed 1998·Granted Mar 28, 2000·41 cites·18 claims
- 1266US8314583B2System, method and program product for cable loss compensation in an electrical submersible pump systemYOHANAN TOM G·Filed 2009·Granted Nov 20, 2012·12 cites·14 claims
- 1357US9407134B2Systems and methods for limiting current inrush in electric drive systemsBAKER HUGHES INC·Filed 2014·Granted Aug 2, 2016·2 cites·17 claims
- 1451US6586900B2Method for boosting the output voltage of a variable frequency driveBAKER HUGHES INC·Filed 2001·Granted Jul 1, 2003·13 cites·20 claims
- 1547US8125177B2System and method for adding voltages of power modules in variable frequency drivesRIDER JERALD R·Filed 2009·Granted Feb 28, 2012·3 cites·20 claims
- 1647US4598353AThyristor firing circuit for determining phase angleHUGHES TOOL CO·Filed 1984·Granted Jul 1, 1986·8 cites·6 claims
- 1747US4467258APower factor correction for variable speed driveHUGHES TOOL CO·Filed 1982·Granted Aug 21, 1984·15 cites·5 claims
- 1838US2016049892A1Systems and Methods for Variable Speed DrivesBAKER HUGHES INC·Filed 2014·Application pending·0 cites
- 1932US5220494AProtection circuit and method for variable speed drives utilizing phase controlled convertersBAKER HUGHES INC·Filed 1992·Granted Jun 15, 1993·3 cites·8 claims
- 2030US2016215769A1Systems and Methods for Providing Power to Well EquipmentBAKER HUGHES INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →