Inventor · disambiguated record
James S. Birrell
Also filed as: BIRRELL JAMES · BIRRELL JAMES S
40 granted patents·4 pending applications·2,076 citations·filing 1988–2016
99Inventor score
Top patents by PatentIndex Score
44 records- 0198US7955219B2Exercise community systemPRECOR INC·Filed 2009·Granted Jun 7, 2011·195 cites·20 claims
- 0297US8613689B2Universal exercise guidance systemDYER DAVID E·Filed 2010·Granted Dec 24, 2013·124 cites·21 claims
- 0397USD342299SRecumbent exercise cyclePRECOR INC·Filed 1991·Granted Dec 14, 1993·117 cites·1 claims
- 0496US9011291B2Exercise device path tracesBIRRELL JAMES S·Filed 2012·Granted Apr 21, 2015·97 cites·45 claims
- 0596US8419593B2Fitness facility equipment usage control system and methodAINSWORTH MARK E·Filed 2012·Granted Apr 16, 2013·109 cites·20 claims
- 0695US8105213B2End of travel stop for an exercise deviceSTEWART JONATHAN M·Filed 2010·Granted Jan 31, 2012·49 cites·19 claims
- 0795US6165107AFlexibly coordinated motion elliptical exerciserILLINOIS TOOL WORKS·Filed 1999·Granted Dec 26, 2000·138 cites·48 claims
- 0894US7758469B2Exercise device visual representationPRECOR INC·Filed 2008·Granted Jul 20, 2010·63 cites·29 claims
- 0994US5769755AWorkout level indicatorPRECOR INC·Filed 1997·Granted Jun 23, 1998·245 cites·45 claims
- 1093US9367668B2Dynamic fitness equipment user interface adjustmentFLYNT DAVID W·Filed 2012·Granted Jun 14, 2016·152 cites·18 claims
- 1193USD313826SExercise treadmillPRECOR INC·Filed 1988·Granted Jan 15, 1991·37 cites·1 claims
- 1292US9604096B2Selectable stride ellipticalPRECOR INC·Filed 2016·Granted Mar 28, 2017·16 cites·20 claims
- 1392US8882637B2Fitness facility equipment distribution managementPRECOR INC·Filed 2013·Granted Nov 11, 2014·16 cites·20 claims
- 1492US6123650AIndependent elliptical motion exerciserPRECOR INC·Filed 1998·Granted Sep 26, 2000·119 cites·34 claims
- 1591USD410978SCross training exerciserPRECOR INC·Filed 1996·Granted Jun 15, 1999·46 cites·1 claims
- 1690US9636543B2Universal exercise guidance systemPRECOR INC·Filed 2014·Granted May 2, 2017·17 cites·21 claims
- 1789US9468795B2Selectable stride ellipticalPRECOR INC·Filed 2016·Granted Oct 18, 2016·12 cites·20 claims
- 1889US8827870B2Exercise guidance systemDYER DAVID E·Filed 2009·Granted Sep 9, 2014·37 cites·20 claims
- 1989US6277055B1Flexibly coordinated stationary exercise deviceILLINOIS TOOL WORKS·Filed 1999·Granted Aug 21, 2001·93 cites·33 claims
- 2089USD307782SExercise cyclePRECOR INC·Filed 1988·Granted May 8, 1990·28 cites·1 claims
- 2188US7833133B2End of travel stop for an exercise devicePRECOR INC·Filed 2006·Granted Nov 16, 2010·31 cites·40 claims
- 2287US9586085B2Exercise apparatus with non-uniform foot pad transverse spacingPRECOR INC·Filed 2014·Granted Mar 7, 2017·17 cites·16 claims
- 2387US8221292B2User status notification systemBARKER ROBERT J·Filed 2010·Granted Jul 17, 2012·27 cites·22 claims
- 2487US8157706B2Fitness facility equipment usage control system and methodAINSWORTH MARK E·Filed 2010·Granted Apr 17, 2012·20 cites·38 claims
- 2586US5910070AWeighted hand-controller for remote control of exercise apparatusPRECOR INC·Filed 1997·Granted Jun 8, 1999·97 cites·7 claims
- 2685US9418349B2Fitness facility equipment usage control systemPRECOR INC·Filed 2015·Granted Aug 16, 2016·4 cites·18 claims
- 2785USD439289SStationary exercise cyclePRECOR INC·Filed 1998·Granted Mar 20, 2001·25 cites·1 claims
- 2884US8663068B1Universal exercise guidance systemPRECOR INC·Filed 2013·Granted Mar 4, 2014·6 cites·26 claims
- 2983USD444515SStationary exercise cycleILLINOIS TOOL WORKS·Filed 2000·Granted Jul 3, 2001·25 cites·1 claims
- 3082USD328770SClimbing exerciserPRECOR INC·Filed 1990·Granted Aug 18, 1992·23 cites·1 claims
- 3181US7691034B2Total body elliptical exercise device with independent upper and lower body motionPRECOR INC·Filed 2005·Granted Apr 6, 2010·22 cites·55 claims
- 3278US8944961B2Fitness facility equipment usage control systemPRECOR INC·Filed 2014·Granted Feb 3, 2015·7 cites·20 claims
- 3377US9272181B2Selectable stride ellipticalPRECOR INC·Filed 2015·Granted Mar 1, 2016·5 cites·16 claims
- 3476USD412192SDisplay panelPRECOR INC·Filed 1998·Granted Jul 20, 1999·19 cites·1 claims
- 3575US7128889B2Method to grow carbon thin films consisting entirely of diamond grains 3-5 nm in size and high-energy grain boundariesCARLISLE JOHN A·Filed 2004·Granted Oct 31, 2006·12 cites·9 claims
- 3674US9724566B2Exercise device path tracesPRECOR INC·Filed 2015·Granted Aug 8, 2017·3 cites·20 claims
- 3770US7791201B2Integration of dissimilar materials for advanced multifunctional devicesUCHICAGO ARGONNE LLC·Filed 2006·Granted Sep 7, 2010·3 cites·23 claims
- 3861USD328625SClimbing exerciserPRECOR INC·Filed 1990·Granted Aug 11, 1992·11 cites·1 claims
- 3958US2006127300A1Method to grow carbon thin films consisting entirely of diamond grains 3-5 nm in size and high-energy grain boundariesUNIV CHICAGO·Filed 2006·Application pending·0 cites
- 4050US2008161163A1Supplemental resistance assembly for resisting motion of an exercise devicePRECOR INC·Filed 2006·Application pending·0 cites
- 4148USD394282SWorkout level display indicatorPRECOR INC·Filed 1996·Granted May 12, 1998·6 cites·1 claims
- 4248US2007201727A1User identification for fitness equipmentPRECOR INC·Filed 2006·Application pending·0 cites
- 4340US2007257265A1Use of tungsten interlayer to enhance the initial nucleation and conformality of ultrananocrystalline diamond (UNCD) thin filmsUNIV CHICAGO·Filed 2006·Application pending·0 cites
- 4437USD421077SWorkout level display indicatorPRECOR INC·Filed 1998·Granted Feb 22, 2000·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →