Inventor · disambiguated record
Richard T. Walter
Also filed as: WALTER RICHARD T · WALTER RICHARD THOMAS
61 granted patents·1 pending application·2,800 citations·filing 1974–2017
99Inventor score
Top patents by PatentIndex Score
62 records- 0199US7598705B2Cordless power tool system having cordless power tool and battery pack that employ cooperating rails and grooves for connection of battery pack to cordless power toolBLACK & DECKER INC·Filed 2008·Granted Oct 6, 2009·41 cites·16 claims
- 0299US4392101AMethod of charging batteries and apparatus thereforBLACK & DECKER INC·Filed 1982·Granted Jul 5, 1983·390 cites·64 claims
- 0398US6304058B2Cordless power tool systemBLACK & DECKER INC·Filed 2000·Granted Oct 16, 2001·96 cites·20 claims
- 0496US6538403B2Brushless DC motor sensor control system and methodBLACK & DECKER INC·Filed 2000·Granted Mar 25, 2003·74 cites·32 claims
- 0596US4835410ADual-mode corded/cordless system for power-operated devicesBLACK & DECKER INC·Filed 1988·Granted May 30, 1989·255 cites·34 claims
- 0695US7423407B2Cordless power tool system having slidably-engaging power source connectionBLACK & DECKER INC·Filed 2006·Granted Sep 9, 2008·17 cites·19 claims
- 0795US7215048B2Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinionBLACK & DECKER INC·Filed 2005·Granted May 8, 2007·27 cites·21 claims
- 0895US7038343B2Field assembly for a motor and method of making sameBLACK & DECKER INC·Filed 2002·Granted May 2, 2006·51 cites·23 claims
- 0995US6720689B2Brushless motor having capacitors mounted on sidewall of motor housingBLACK & DECKER INC·Filed 2001·Granted Apr 13, 2004·57 cites·37 claims
- 1095US6570284B1Brushless motor having double insulationBLACK & DECKER INC·Filed 2001·Granted May 27, 2003·58 cites·15 claims
- 1195US6515451B2Cordless power tool systemBLACK & DECKER INC·Filed 2001·Granted Feb 4, 2003·50 cites·15 claims
- 1294US7814641B2Method of forming a power toolBLACK & DECKER INC·Filed 2006·Granted Oct 19, 2010·18 cites·6 claims
- 1394US6653815B2Cordless power tool systemBLACK & DECKER INC·Filed 2002·Granted Nov 25, 2003·43 cites·22 claims
- 1494US4388582AApparatus and method for charging batteriesBLACK & DECKER INC·Filed 1982·Granted Jun 14, 1983·184 cites·24 claims
- 1593US7464455B2Method for forming an armature for an electric motorBLACK & DECKER INC·Filed 2005·Granted Dec 16, 2008·21 cites·4 claims
- 1693US7180200B2Starter system for portable internal combustion engine electric generators using a portable universal battery packBLACK & DECKER INC·Filed 2003·Granted Feb 20, 2007·54 cites·19 claims
- 1792US7005831B2Cordless power tool system utilizing battery pack connection system with guide rails and guide slotsBLACK & DECKER INC·Filed 2003·Granted Feb 28, 2006·35 cites·22 claims
- 1892US5095259ALow voltage, high current capacity connector assembly and mobile power tool and appliance operating systemBLACK & DECKER INC·Filed 1989·Granted Mar 10, 1992·84 cites·31 claims
- 1992US4835409ACorded/cordless dual-mode power-operated deviceBLACK & DECKER INC·Filed 1988·Granted May 30, 1989·167 cites·11 claims
- 2091US8203239B2Method of forming a power toolDU HUNG T·Filed 2010·Granted Jun 19, 2012·7 cites·13 claims
- 2191US7990005B2Power transmission tool and systemATLAS DYNAMIC DEVICES LLC·Filed 2008·Granted Aug 2, 2011·30 cites·12 claims
- 2291US7058291B2Brushless DC motorBLACK & DECKER INC·Filed 2001·Granted Jun 6, 2006·47 cites·6 claims
- 2391US6661140B2Brushless motor having housing enabling alignment of stator and sensorBLACK & DECKER INC·Filed 2001·Granted Dec 9, 2003·46 cites·20 claims
- 2491US6646406B1Electrical machinesBLACK & DECKER INC·Filed 2000·Granted Nov 11, 2003·38 cites·13 claims
- 2590US9472989B2Method of manufacturing a power tool with molded armatureBLACK & DECKER INC·Filed 2014·Granted Oct 18, 2016·5 cites·5 claims
- 2690US5268630AMethod and apparatus for varying the sample rate of a fast battery chargerBLACK & DECKER INC·Filed 1992·Granted Dec 7, 1993·146 cites·19 claims
- 2789US8997332B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Apr 7, 2015·5 cites·3 claims
- 2889US6975050B2Brushless DC motorBLACK & DECKER INC·Filed 2001·Granted Dec 13, 2005·45 cites·31 claims
- 2988US8324764B2Method for forming a power toolDU HUNG T·Filed 2012·Granted Dec 4, 2012·5 cites·6 claims
- 3088US7550213B2Tool system having rechargeable battery packBLACK & DECKER INC·Filed 2007·Granted Jun 23, 2009·5 cites·8 claims
- 3188US6946758B2Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinionBLACK & DECKER INC·Filed 2003·Granted Sep 20, 2005·30 cites·21 claims
- 3286US5217395ALow-voltage, high current capacity connector assembly and mobile power tool and appliance operating systemBLACK & DECKER CO INC·Filed 1991·Granted Jun 8, 1993·71 cites·32 claims
- 3385US6867561B1Electrical machineBLACK & DECKER INC·Filed 2000·Granted Mar 15, 2005·26 cites·17 claims
- 3484US8937412B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Jan 20, 2015·3 cites·8 claims
- 3584US4793054AAlignment system for permanent magnet motorsBLACK & DECKER INC·Filed 1987·Granted Dec 27, 1988·53 cites·5 claims
- 3682US6608401B1Alternator/inverter with dual H-bridgeBLACK & DECKER INC·Filed 2002·Granted Aug 19, 2003·41 cites·22 claims
- 3782US4682066AAlignment system for permanent magnet motorsBLACK & DECKER INC·Filed 1985·Granted Jul 21, 1987·41 cites·14 claims
- 3880US6787958B1Electrical machinesBLACK & DECKER INC·Filed 2000·Granted Sep 7, 2004·26 cites·10 claims
- 3979US8901787B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Dec 2, 2014·2 cites·10 claims
- 4079US8850690B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Oct 7, 2014·2 cites·4 claims
- 4179US5489484ABattery pack for cordless deviceBLACK & DECKER INC·Filed 1994·Granted Feb 6, 1996·45 cites·75 claims
- 4278US7102331B2Generator with dual cycloconverter for 120/240 VAC operationBLACK & DECKER INC·Filed 2004·Granted Sep 5, 2006·29 cites·95 claims
- 4378US5620808ABattery pack for cordless deviceBLACK & DECKER INC·Filed 1995·Granted Apr 15, 1997·45 cites·15 claims
- 4478US5001924AVolumetric measurement of tank volumeNASA·Filed 1989·Granted Mar 26, 1991·48 cites·7 claims
- 4577US7170261B2Generator with dual cycloconverter for 120/240 VAC operationBLACK & DECKER INC·Filed 2006·Granted Jan 30, 2007·12 cites·26 claims
- 4674US7685697B2Method of manufacturing an electric motor of a power tool and of manufacturing the power toolBLACK & DECKER INC·Filed 2006·Granted Mar 30, 2010·5 cites·6 claims
- 4774US7273676B2Battery pack for cordless deviceBLACK & DECKER INC·Filed 2003·Granted Sep 25, 2007·7 cites·16 claims
- 4874US6665158B2Alternator/inverter with dual H-bridge and automatic voltage regulationBLACK & DECKER INC·Filed 2002·Granted Dec 16, 2003·28 cites·17 claims
- 4972US6600136B1Oil heater for engine of portable electric generatorBLACK & DECKER INC·Filed 2002·Granted Jul 29, 2003·16 cites·16 claims
- 5072US4905300AMotor control and power systems and methods of operation thereofBLACK & DECKER INC·Filed 1987·Granted Feb 27, 1990·25 cites·27 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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