Inventor · disambiguated record
Oliver A. Bell, Jr.
Also filed as: BELL JR OLIVER A · BELL OLIVER A · BELL OLIVER A JR
34 granted patents·19 pending applications·472 citations·filing 1974–2012
97Inventor score
Files withCOLT IND OPERATING CORP23TEXTRON INC22BELL JR OLIVER A2COLT IND INC2TEXTRON INNOVATIONS INC2
Top patents by PatentIndex Score
53 records- 0196US7560882B2AC drive system for electrically operated vehicleTEXTRON INC·Filed 2007·Granted Jul 14, 2009·52 cites·33 claims
- 0295US7332881B2AC drive system for electrically operated vehicleTEXTRON INC·Filed 2005·Granted Feb 19, 2008·63 cites·38 claims
- 0393US8120291B2Drive system for electrically operated vehicleCLARK WARREN W·Filed 2010·Granted Feb 21, 2012·34 cites·24 claims
- 0493US7825616B2AC drive system for electrically operated vehicleTEXTRON INNOVATIONS INC·Filed 2009·Granted Nov 2, 2010·41 cites·24 claims
- 0592US4071729AAdaptive control system and method for electrical discharge machiningCOLT IND OPERATING CORP·Filed 1976·Granted Jan 31, 1978·54 cites·11 claims
- 0690US7926889B2Hill hold for an electric vehicleTEXTRON INNOVATIONS INC·Filed 2007·Granted Apr 19, 2011·14 cites·7 claims
- 0786US8201897B2Hill hold for an electric vehicleBELL JR OLIVER A·Filed 2011·Granted Jun 19, 2012·13 cites·15 claims
- 0874US7400238B2Brake light systemTEXTRON INC·Filed 2006·Granted Jul 15, 2008·8 cites·24 claims
- 0968US4078163AProgrammable current control system for wire electrode electrical discharge machining apparatusBELL JR OLIVER A·Filed 1975·Granted Mar 7, 1978·19 cites·9 claims
- 1065US4292490AElectrical discharge machining power supply with digitally controlled on and off time and protective systemCOLT IND OPERATING CORP·Filed 1979·Granted Sep 29, 1981·16 cites·10 claims
- 1165US4267423AProtection circuit for electrical discharge machining power supplyCOLT IND OPERATING CORP·Filed 1979·Granted May 12, 1981·16 cites·6 claims
- 1262US4152569AServo feed circuit for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1977·Granted May 1, 1979·15 cites·6 claims
- 1361US7205493B1Pressure sensitive horn switchTEXTRON INC·Filed 2006·Granted Apr 17, 2007·3 cites·22 claims
- 1459US4460815ACurrent limit system and method for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1982·Granted Jul 17, 1984·10 cites·12 claims
- 1558US3987271AElectrical discharge machining power supply circuitCOLT IND OPERATING CORP·Filed 1974·Granted Oct 19, 1976·13 cites·2 claims
- 1654US4303957AGap condition sensing circuit for electrical discharge machining power supplyCOLT IND OPERATING CORP·Filed 1979·Granted Dec 1, 1981·11 cites·11 claims
- 1754US4296302AAdaptive control of gap voltage and power to control servo operation of an electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1979·Granted Oct 20, 1981·11 cites·7 claims
- 1851US2009107264A1Automated Battery Plate InspectionTEXTRON INC·Filed 2007·Application pending·0 cites
- 1950US4320278AServo feed system for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1979·Granted Mar 16, 1982·9 cites·8 claims
- 2050US4319114ACurrent limit system for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1979·Granted Mar 9, 1982·9 cites·7 claims
- 2150US4238660AMulti-lead servo feed system for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1978·Granted Dec 9, 1980·9 cites·4 claims
- 2248US2008179860A1Automatic Tow SwitchTEXTRON INC·Filed 2007·Application pending·0 cites
- 2347US2009160633A1Brake light system for utility vehicleTEXTRON INC·Filed 2007·Application pending·0 cites
- 2445US4306135APower output module for electrical discharge machining power supply circuitCOLT IND OPERATING CORP·Filed 1979·Granted Dec 15, 1981·7 cites·7 claims
- 2545US4258243AOver current protection system for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1979·Granted Mar 24, 1981·7 cites·14 claims
- 2645US4002885AServo feed system for a wire electrode type electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1975·Granted Jan 11, 1977·8 cites·20 claims
- 2745US2007257555A1Wiring harnessTEXTRON INC·Filed 2006·Application pending·0 cites
- 2844US2012116628A1Drive System For Electrically Operated VehicleCLARK WARREN·Filed 2012·Application pending·0 cites
- 2943US2009107741A1Limited Slip Differential For Electric VehicleTEXTRON INC·Filed 2007·Application pending·0 cites
- 3043US2008211438A1Fully Charged Battery ProtectionTEXTRON INC·Filed 2007·Application pending·0 cites
- 3142US4320279AProgrammable pulse generator for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1979·Granted Mar 16, 1982·6 cites·4 claims
- 3242US2008164106A1Electric Brake for Utility VehiclesTEXTRON INC·Filed 2007·Application pending·0 cites
- 3341US2009171599A1Battery Discharge Indicator For Golf CarTEXTRON INC·Filed 2007·Application pending·0 cites
- 3440US2007216217A1Tow harness for vehicle equipped with electric brakesTEXTRON INC·Filed 2006·Application pending·0 cites
- 3540US2007267243A1Multi-purpose key switch for lightweight utility vehicleTEXTRON INC·Filed 2006·Application pending·0 cites
- 3640US2008251307A1Speed Limiting for a Light-Weight Utility VehicleTEXTRON INC·Filed 2007·Application pending·0 cites
- 3740US2009119038A1Battery Data Logger And DisplayTEXTRON INC·Filed 2007·Application pending·0 cites
- 3840US2009107391A1Combined State Of Charge Meter And Fuel GaugeTEXTRON INC·Filed 2007·Application pending·0 cites
- 3940US2007278829A1Electronics splash shieldTEXTRON INC·Filed 2006·Application pending·0 cites
- 4039US4733058AFail transistor detection and display system for electrical discharge machining apparatusCOLT IND INC·Filed 1986·Granted Mar 22, 1988·5 cites·6 claims
- 4138US2007257556A1Charge indicator for lightweight utility vehicleTEXTRON INC·Filed 2006·Application pending·0 cites
- 4238US2009107749A1Closed Loop Traction System for Light-Weight Utility VehiclesTEXTRON INC·Filed 2007·Application pending·0 cites
- 4338US2009167096A1Pulse Width Modulation For Precision Energy/Power DumpingTEXTRON INC·Filed 2007·Application pending·0 cites
- 4437US2008164084A1Locking Differential For Electric Golf Cars And Utility VehiclesTEXTRON INC·Filed 2007·Application pending·0 cites
- 4535US4733043ARam stabilizing circuit for electrical discharge machineCOLT IND INC·Filed 1985·Granted Mar 22, 1988·3 cites·8 claims
- 4635US4249059AGap condition light indicator system for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1977·Granted Feb 3, 1981·3 cites·4 claims
- 4735US4151388ACurrent control system for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1977·Granted Apr 24, 1979·3 cites·13 claims
- 4835US4056702AElectrical discharge machining power circuitCOLT IND OPERATING CORP·Filed 1975·Granted Nov 1, 1977·3 cites·6 claims
- 4933US4267422APower supply circuit of the high voltage type for electrical discharge machining apparatusCOLT IND OPERATING CORP·Filed 1979·Granted May 12, 1981·2 cites·5 claims
- 5033US4254320APower output module for electrical discharge machining power supply circuitCOLT IND OPERATING CORP·Filed 1979·Granted Mar 3, 1981·2 cites·5 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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