Inventor · disambiguated record
David Charles Hughes
Also filed as: HUGHES DAVID · HUGHES DAVID C · HUGHES DAVID CHARLES · HUGHES JR DAVID C
68 granted patents·11 pending applications·1,482 citations·filing 1978–2025
99Inventor score
Files withCOOPER TECHNOLOGIES CO51HUBBELL INC11HUGHES DAVID CHARLES6BRADLEY MILTON CO2COOPER IND LTD2
Top patents by PatentIndex Score
79 records- 0198US7212389B2Over-voltage protection systemCOOPER TECHNOLOGIES CO·Filed 2005·Granted May 1, 2007·46 cites·29 claims
- 0297US11367547B2Deadfront arrester with disconnector deviceHUBBELL INC·Filed 2020·Granted Jun 21, 2022·3 cites·14 claims
- 0397US7494355B2Thermoplastic interface and shield assembly for separable insulated connector systemCOOPER TECHNOLOGIES CO·Filed 2007·Granted Feb 24, 2009·134 cites·56 claims
- 0496US7341468B2Separable loadbreak connector and system with shock absorbent fault closure stopCOOPER TECHNOLOGIES CO·Filed 2005·Granted Mar 11, 2008·58 cites·40 claims
- 0595US8038457B2Separable electrical connector with reduced risk of flashoverCOOPER TECHNOLOGIES CO·Filed 2010·Granted Oct 18, 2011·16 cites·7 claims
- 0695US7572133B2Separable loadbreak connector and systemCOOPER TECHNOLOGIES CO·Filed 2007·Granted Aug 11, 2009·27 cites·38 claims
- 0794US7695291B2Fully insulated fuse test and ground deviceCOOPER TECHNOLOGIES CO·Filed 2007·Granted Apr 13, 2010·34 cites·18 claims
- 0893US11996650B2Loadbreak assemblyHUBBELL INC·Filed 2021·Granted May 28, 2024·2 cites·17 claims
- 0993US7491075B2Electrical connectorCOOPER TECHNOLOGIES CO·Filed 2005·Granted Feb 17, 2009·27 cites·47 claims
- 1093US7160142B2Grounding clamp apparatus and methodCOOPER TECHNOLOGIES CO·Filed 2005·Granted Jan 9, 2007·46 cites·34 claims
- 1193US6744255B1Grounding device for electric power distribution systemsMC GRAW EDISON CO·Filed 2002·Granted Jun 1, 2004·67 cites·23 claims
- 1292US7384287B2Apparatus, system and methods for deadfront visible loadbreakCOOPER TECHNOLOGIES CO·Filed 2005·Granted Jun 10, 2008·33 cites·51 claims
- 1392US7083450B1Electrical connector that inhibits flashoverCOOPER TECHNOLOGIES CO·Filed 2005·Granted Aug 1, 2006·42 cites·47 claims
- 1491US7661979B2Jacket sleeve with grippable tabs for a cable connectorCOOPER TECHNOLOGIES CO·Filed 2007·Granted Feb 16, 2010·29 cites·34 claims
- 1591US7258585B2Device and method for latching separable insulated connectorsCOOPER TECHNOLOGIES CO·Filed 2005·Granted Aug 21, 2007·36 cites·32 claims
- 1691US7182647B2Visible break assembly including a window to view a power connectionCOOPER TECHNOLOGIES CO·Filed 2004·Granted Feb 27, 2007·56 cites·52 claims
- 1790US7963782B2Separable connector system with a position indicatorCOOPER TECHNOLOGIES CO·Filed 2008·Granted Jun 21, 2011·32 cites·21 claims
- 1889US7901228B2Fully insulated fuse test and ground deviceCOOPER TECHNOLOGIES CO·Filed 2010·Granted Mar 8, 2011·8 cites·23 claims
- 1989US7134889B2Separable insulated connector and methodCOOPER TECHNOLOGIES CO·Filed 2005·Granted Nov 14, 2006·31 cites·44 claims
- 2088US7958631B2Method of using an extender for a separable insulated connectorCOOPER TECHNOLOGIES CO·Filed 2008·Granted Jun 14, 2011·28 cites·20 claims
- 2187US7878849B2Extender for a separable insulated connectorCOOPER TECHNOLOGIES CO·Filed 2008·Granted Feb 1, 2011·26 cites·38 claims
- 2287US7568927B2Separable insulated connector systemCOOPER TECHNOLOGIES CO·Filed 2007·Granted Aug 4, 2009·23 cites·20 claims
- 2387US7413455B2Electrical connector assemblyCOOPER TECHNOLOGIES CO·Filed 2005·Granted Aug 19, 2008·27 cites·20 claims
- 2486US8328569B2Adapter for coupling a deadbreak bushing to a deadbreak arrestor elbowROSCIZEWSKI PAUL MICHAEL·Filed 2011·Granted Dec 11, 2012·19 cites·19 claims
- 2586US7909635B2Jacket sleeve with grippable tabs for a cable connectorCOOPER TECHNOLOGIES CO·Filed 2009·Granted Mar 22, 2011·19 cites·20 claims
- 2686US7578682B1Dual interface separable insulated connector with overmolded faraday cageCOOPER TECHNOLOGIES CO·Filed 2008·Granted Aug 25, 2009·23 cites·15 claims
- 2786US5736973AIntegrated backlight display system for a personal digital assistantDIGITAL OCEAN INC·Filed 1995·Granted Apr 7, 1998·82 cites·20 claims
- 2885US12255001B2Deadfront arrester with disconnector deviceHUBBELL INC·Filed 2023·Granted Mar 18, 2025·0 cites·20 claims
- 2984US7670162B2Separable connector with interface undercutCOOPER TECHNOLOGIES CO·Filed 2008·Granted Mar 2, 2010·22 cites·25 claims
- 3084US7666012B2Separable loadbreak connector for making or breaking an energized connection in a power distribution networkCOOPER TECHNOLOGIES CO·Filed 2007·Granted Feb 23, 2010·18 cites·13 claims
- 3183US7891999B2Fully insulated fuse test and ground deviceCOOPER TECHNOLOGIES CO·Filed 2010·Granted Feb 22, 2011·5 cites·18 claims
- 3282US11791071B2Tee arrester with directional ventingHUBBELL INC·Filed 2023·Granted Oct 17, 2023·0 cites·20 claims
- 3382US11721457B2Deadfront arrester with disconnector deviceHUBBELL INC·Filed 2022·Granted Aug 8, 2023·0 cites·20 claims
- 3482US8152547B2Two-material separable insulated connector bandHUGHES DAVID CHARLES·Filed 2008·Granted Apr 10, 2012·17 cites·13 claims
- 3581US2025219323A1Tap plugsHUBBELL INC·Filed 2025·Application pending·0 cites
- 3680US7901227B2Separable electrical connector with reduced risk of flashoverCOOPER TECHNOLOGIES CO·Filed 2008·Granted Mar 8, 2011·7 cites·5 claims
- 3780US7632120B2Separable loadbreak connector and system with shock absorbent fault closure stopCOOPER TECHNOLOGIES CO·Filed 2008·Granted Dec 15, 2009·15 cites·32 claims
- 3879US2025218628A1Deadfront arrester with disconnector deviceHUBBELL INC·Filed 2025·Application pending·0 cites
- 3978US12154736B2Separable electrical connector with a switching apparatusEATON INTELLIGENT POWER LTD·Filed 2021·Granted Nov 26, 2024·1 cites·22 claims
- 4078US8109776B2Two-material separable insulated connectorHUGHES DAVID CHARLES·Filed 2008·Granted Feb 7, 2012·17 cites·23 claims
- 4178US7950939B2Medium voltage separable insulated energized break connectorCOOPER TECHNOLOGIES CO·Filed 2007·Granted May 31, 2011·9 cites·26 claims
- 4278US7633741B2Switchgear bus support system and methodCOOPER TECHNOLOGIES CO·Filed 2007·Granted Dec 15, 2009·18 cites·30 claims
- 4378US7470131B2Over-voltage protection systemCOOPER TECHNOLOGIES CO·Filed 2007·Granted Dec 30, 2008·14 cites·26 claims
- 4477US8056226B2Method of manufacturing a dual interface separable insulated connector with overmolded faraday cageHUGHES DAVID CHARLES·Filed 2008·Granted Nov 15, 2011·14 cites·12 claims
- 4577US7870668B2Method for connecting an electrical connector to a cable connectorCOOPER TECHNOLOGIES CO·Filed 2009·Granted Jan 18, 2011·12 cites·3 claims
- 4677US7450363B2Combination electrical connectorCOOPER TECHNOLOGIES CO·Filed 2005·Granted Nov 11, 2008·13 cites·27 claims
- 4776US4791281AEncoding and decoding systemC P C INVESTMENT TRUST·Filed 1986·Granted Dec 13, 1988·207 cites·16 claims
- 4875US7862354B2Separable loadbreak connector and system for reducing damage due to fault closureCOOPER TECHNOLOGIES CO·Filed 2009·Granted Jan 4, 2011·10 cites·20 claims
- 4974US12283773B2Tap plugs configured to ensure thread-to-thread contact before housing-to-housing contactHUBBELL INC·Filed 2022·Granted Apr 22, 2025·0 cites·16 claims
- 5074US7883356B2Jacket sleeve with grippable tabs for a cable connectorCOOPER TECHNOLOGIES CO·Filed 2009·Granted Feb 8, 2011·10 cites·11 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →