Inventor · disambiguated record
William Duff
Also filed as: DUFF JR WILLIAM B · DUFF WILLIAM · DUFF WILLIAM B JR
8 granted patents·2 pending applications·157 citations·filing 1994–2007
89Inventor score
Top patents by PatentIndex Score
10 records- 0189US6548988B2Method and circuit for using polarized device in AC applicationsFiled 2001·Granted Apr 15, 2003·36 cites·12 claims
- 0288US7521900B2Method and assembly for insulating polarized deviceDUFF JR WILLIAM B·Filed 2007·Granted Apr 21, 2009·10 cites·13 claims
- 0387US7245110B2System for using polarized device with an AC induction motorDUFF JR WILLIAM B·Filed 2005·Granted Jul 17, 2007·9 cites·11 claims
- 0482US7289312B2Electrical charges storage device having enhanced power characteristicsDUFF JR WILLIAM B·Filed 2004·Granted Oct 30, 2007·29 cites·65 claims
- 0579US6548989B2Method and circuit for using polarized device in AC applicationsFiled 2002·Granted Apr 15, 2003·32 cites·84 claims
- 0668US5537991ANonimaging solar collectorSOLAR ENTERPRISES INTERNATIONA·Filed 1994·Granted Jul 23, 1996·34 cites·18 claims
- 0765US6633154B1Method and circuit for using polarized device in AC applicationsFiled 2000·Granted Oct 14, 2003·5 cites·63 claims
- 0846US6900617B2Method and circuit for using polarized device in AC applicationsFiled 2003·Granted May 31, 2005·2 cites·20 claims
- 0945US2007285875A1Electrical Charge Storage Device Having Enhanced Power CharacteristicsDUFF WILLIAM B JR·Filed 2007·Application pending·0 cites
- 1040US2005269892A1Induction machine rotors with improved frequency responseDUFF WILLIAM B JR·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →