Inventor
KNOX DICK L
US26 patents
⚠️ This page may combine multiple inventors who share the name “KNOX DICK L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
12 patentsUS6167965B1Jan 2, 2001
Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores
BAKER HUGHES INC440 citations98
US6676447B1Jan 13, 2004
Pothead connector with elastomeric sealing washer
BAKER HUGHES INC64 citations96
US5722812AMar 3, 1998
Abrasion resistant centrifugal pump
BAKER HUGHES INC110 citations96
US7607896B2Oct 27, 2009
Systems and methods for power ride-through in variable speed drives
BAKER HUGHES INC20 citations92
US7161456B2Jan 9, 2007
Systems and methods for driving large capacity AC motors
BAKER HUGHES INC26 citations92
US6587037B1Jul 1, 2003
Method for multi-phase data communications and control over an ESP power cable
BAKER HUGHES INC112 citations92
US6566774B2May 20, 2003
Vibration damping system for ESP motor
BAKER HUGHES INC47 citations92
US5189328AFeb 23, 1993
Laminated motor bearing for electrical submersible pump
BAKER HUGHES INC29 citations92
US7492069B2Feb 17, 2009
Pressurized bearing system for submersible motor
BAKER HUGHES INC35 citations89
US7188669B2Mar 13, 2007
Motor cooler for submersible pump
BAKER HUGHES INC38 citations87
US6586900B2Jul 1, 2003
Method for boosting the output voltage of a variable frequency drive
BAKER HUGHES INC13 citations83
US7950906B2May 31, 2011
Insulated bearings for downhole motors
BAKER HUGHES INC11 citations79
HUGHES TOOL CO
5 patentsUS4589492AMay 20, 1986
Subsea well submersible pump installation
HUGHES TOOL CO42 citations88
US4492523AJan 8, 1985
Toroidal inductor for a pressure sensor in a submersible pump
HUGHES TOOL CO24 citations82
US4491778AJan 1, 1985
Motor variable frequency drive
HUGHES TOOL CO25 citations81
US4790373ADec 13, 1988
Cooling system for electrical components
HUGHES TOOL CO21 citations76
US4477230AOct 16, 1984
Continuous pressure and temperature readout for submersible pumps
HUGHES TOOL CO14 citations73
KNOX DICK L
2 patentsUS8400093B2Mar 19, 2013
Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly
KNOX DICK L23 citations91
US8480376B2Jul 9, 2013
Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly
KNOX DICK L10 citations82