Inventor · disambiguated record
Daniel D. Friel, Sr.
Also filed as: FRIEL DANIEL · FRIEL DANIEL D · FRIEL DANIEL D SR · FRIEL SR DANIEL
85 granted patents·5 pending applications·5,340 citations·filing 1977–2016
99Inventor score
Top patents by PatentIndex Score
90 records- 0199US5606242ASmart battery algorithm for reporting battery parameters to an external deviceDURACELL INC·Filed 1994·Granted Feb 25, 1997·788 cites·31 claims
- 0298US4807399AMethod and apparatus for sharpening a knifeEDGECRAFT CORP·Filed 1986·Granted Feb 28, 1989·100 cites·13 claims
- 0398US4627194AMethod and apparatus for knife and blade sharpeningFRIEL DANIEL D·Filed 1984·Granted Dec 9, 1986·90 cites·17 claims
- 0497US7517275B2Apparatus for precision steeling/conditioning of knife edgesEDGECRAFT CORP·Filed 2007·Granted Apr 14, 2009·49 cites·23 claims
- 0597US6863600B2Apparatus for precision edge refinement of metallic cutting bladesEDGECRAFT CORP·Filed 2002·Granted Mar 8, 2005·77 cites·35 claims
- 0697US6267652B1Versatile ultrahone sharpenerEDGECRAFT CORP·Filed 2000·Granted Jul 31, 2001·88 cites·12 claims
- 0797US5796239ABattery pack having a processor controlled battery operating systemFiled 1997·Granted Aug 18, 1998·289 cites·10 claims
- 0897US5633573ABattery pack having a processor controlled battery operating systemDURACELL INC·Filed 1994·Granted May 27, 1997·251 cites·48 claims
- 0997USD328410SKnife sharpenerEDGECRAFT CORP·Filed 1989·Granted Aug 4, 1992·55 cites·1 claims
- 1097US5005319AKnife sharpenerEDGECRAFT CORP·Filed 1989·Granted Apr 9, 1991·74 cites·14 claims
- 1197USD303209SKnife sharpenerEDGECRAFT CORP·Filed 1986·Granted Sep 5, 1989·56 cites·1 claims
- 1297US4716689AMethods and apparatus for knife and blade sharpeningFRIEL DANIEL D·Filed 1986·Granted Jan 5, 1988·85 cites·9 claims
- 1396US8267750B2Apparatus for precision steeling/conditioning of knife edgesFRIEL SR DANIEL D·Filed 2010·Granted Sep 18, 2012·20 cites·25 claims
- 1496US6875093B2Sharpening deviceEDGECRAFT CORP·Filed 2003·Granted Apr 5, 2005·89 cites·22 claims
- 1596US5789899ASmart battery system with an A/D converter that converts both positive and negative analog input signalsFiled 1996·Granted Aug 4, 1998·222 cites·37 claims
- 1696USD310620SKnife sharpenerFRIEL DANIEL D·Filed 1988·Granted Sep 18, 1990·53 cites·1 claims
- 1796US4127436AVacuum laminating processDU PONT·Filed 1977·Granted Nov 28, 1978·82 cites·13 claims
- 1895US8043143B2Sharpeners to create cross-grind knife edgesEDGECRAFT CORP·Filed 2010·Granted Oct 25, 2011·15 cites·9 claims
- 1995US7494403B2Knife sharpener with improved knife guidesEDGECRAFT CORP·Filed 2007·Granted Feb 24, 2009·22 cites·24 claims
- 2095US7290704B1Method and system relating to a multi-lateral trade engine for payment transactionsBALL ROBERT·Filed 2006·Granted Nov 6, 2007·165 cites·28 claims
- 2195US7287445B2Apparatus for precision steeling/conditioning of knife edgesEDGECRAFT CORP·Filed 2005·Granted Oct 30, 2007·31 cites·26 claims
- 2295US5652502ABattery pack having a processor controlled battery operating systemDURACELL INC·Filed 1995·Granted Jul 29, 1997·185 cites·32 claims
- 2394US7686676B2Precision sharpener for hunting and Asian knivesEDGECRAFT CORP·Filed 2008·Granted Mar 30, 2010·24 cites·25 claims
- 2493US7745759B2Apparatus for brewing beveragesEDGECRAFT CORP·Filed 2007·Granted Jun 29, 2010·36 cites·29 claims
- 2593US7279660B2Apparatus for brewing beveragesEDGECRAFT CORP·Filed 2004·Granted Oct 9, 2007·74 cites·14 claims
- 2693US7235004B2Precision means for sharpening and creation of microblades along cutting edgesEDGECRAFT CORP·Filed 2004·Granted Jun 26, 2007·64 cites·20 claims
- 2793US6012971ASharpening apparatusEDGECRAFT CORP·Filed 1998·Granted Jan 11, 2000·112 cites·16 claims
- 2893USD357395SKnife sharpenerEDGECRAFT CORP·Filed 1993·Granted Apr 18, 1995·41 cites·1 claims
- 2992US7452262B2Knife sharpeners with improved knife guidesEDGECRAFT CORP·Filed 2008·Granted Nov 18, 2008·15 cites·6 claims
- 3092US6881137B2Manual knife sharpener with angle controlEDGECRAFT CORP·Filed 2003·Granted Apr 19, 2005·53 cites·23 claims
- 3192US6697897B1Data communication interface between host and slave processorsMICROCHIP TECH INC·Filed 2000·Granted Feb 24, 2004·84 cites·19 claims
- 3292US6267044B1Batch toasterEDGECROFT CORP·Filed 2000·Granted Jul 31, 2001·51 cites·20 claims
- 3391USRE43884EApparatus for precision steeling/conditioning of knife edgesEDGECRAFT CORP·Filed 2011·Granted Jan 1, 2013·9 cites·26 claims
- 3491US7488241B2Precision control of sharpening anglesEDGECRAFT CORP·Filed 2006·Granted Feb 10, 2009·20 cites·7 claims
- 3591US6113476AVersatile ultrahone sharpenerEDGECRAFT CORP·Filed 1999·Granted Sep 5, 2000·82 cites·11 claims
- 3691US6025695ABattery operating systemFiled 1998·Granted Feb 15, 2000·311 cites·11 claims
- 3791US5611726AHigh speed precision sharpening apparatusEDGECRAFT CORP·Filed 1995·Granted Mar 18, 1997·101 cites·46 claims
- 3891US4897965AKnife sharpening apparatusFRIEL DANIEL D·Filed 1989·Granted Feb 6, 1990·49 cites·7 claims
- 3990US9168627B2Knife sharpener for asian and european/american knivesELEK BELA·Filed 2011·Granted Oct 27, 2015·9 cites·24 claims
- 4090US7831521B1Method and system relating to a multi-lateral trade engine for payment transactionsREMITGATE LLC·Filed 2007·Granted Nov 9, 2010·59 cites·28 claims
- 4190USD368217SKnife sharpenerEDGECRAFT CORP·Filed 1994·Granted Mar 26, 1996·34 cites·1 claims
- 4289US7354612B2High speed baking in novel toasting apparatusEDGECRAFT CORP·Filed 2006·Granted Apr 8, 2008·14 cites·16 claims
- 4389US6726551B2Manual knife sharpener with angle controlEDGECRAFT CORP·Filed 2001·Granted Apr 27, 2004·44 cites·31 claims
- 4489US5691621ABattery pack having a processor controlled battery operating systemDURACELL INC·Filed 1995·Granted Nov 25, 1997·116 cites·30 claims
- 4589US5646508ABattery pack having a processor controlled battery operating systemDURACELL INC·Filed 1995·Granted Jul 8, 1997·105 cites·18 claims
- 4689US5449315APortable manual sharpener for knives and the likeEDGECRAFT CORP·Filed 1994·Granted Sep 12, 1995·50 cites·1 claims
- 4789US5148634AScissor sharpening apparatus with magnetic guideEDGECRAFT CORP·Filed 1990·Granted Sep 22, 1992·60 cites·7 claims
- 4888US6997795B2Versatile manual scissor sharpenerEDGECRAFT CORP·Filed 2004·Granted Feb 14, 2006·35 cites·21 claims
- 4988US5710501ABattery pack having a processor controlled battery operating systemDURACELL INC·Filed 1995·Granted Jan 20, 1998·96 cites·11 claims
- 5088US5390431AMethod and apparatus for knife and blade sharpeningEDGECRAFT CORP·Filed 1993·Granted Feb 21, 1995·76 cites·33 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
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