Inventor · disambiguated record
James A. Duncan
Also filed as: DUNCAN JAMES A · DUNCAN JAMES ARTHUR
21 granted patents·2 pending applications·780 citations·filing 1992–2018
96Inventor score
Files withNAUTILUS INC7STAIRMASTER SPORTS MED PROD5L'ORÉAL 2STAIRMASTER SPORTS/MEDICAL PRODUCTS INC2STAIRMASTER SPORTS/MEDICAL PRODUCTS L P2
Top patents by PatentIndex Score
23 records- 0197US6689019B2Exercise machineNAUTILUS INC·Filed 2001·Granted Feb 10, 2004·175 cites·22 claims
- 0295US8182001B2Direct action window lockTREMBLE JOHN·Filed 2006·Granted May 22, 2012·44 cites·29 claims
- 0393US5910072AExercise apparatusSTAIRMASTER SPORTS MED PROD·Filed 1997·Granted Jun 8, 1999·169 cites·101 claims
- 0489US7341542B2Exercise machineNAUTILUS INC·Filed 2003·Granted Mar 11, 2008·39 cites·100 claims
- 0589US5354248AExercise apparatusSTAIRMASTER SPORTS MED PROD·Filed 1993·Granted Oct 11, 1994·88 cites·70 claims
- 0688US7632219B2Exercise machineNAUTILUS INC·Filed 2007·Granted Dec 15, 2009·22 cites·20 claims
- 0787US7942787B2Exercise machineNAUTILUS INC·Filed 2009·Granted May 17, 2011·19 cites·14 claims
- 0887US5499959AUpper body exercise apparatusSTAIRMASTER SPORTS MED PROD·Filed 1992·Granted Mar 19, 1996·73 cites·16 claims
- 0986US8899632B2Direct action window lockTREMBLE JOHN·Filed 2012·Granted Dec 2, 2014·12 cites·17 claims
- 1081US8323155B2Exercise machineOHRT JOHN ARTHUR·Filed 2011·Granted Dec 4, 2012·9 cites·16 claims
- 1179US9272182B2Exercise machineNAUTILUS INC·Filed 2014·Granted Mar 1, 2016·5 cites·11 claims
- 1278US10201727B2Exercise machineNAUTILUS INC·Filed 2016·Granted Feb 12, 2019·3 cites·24 claims
- 1378US8858403B2Exercise machineNAUTILUS INC·Filed 2012·Granted Oct 14, 2014·5 cites·7 claims
- 1475US5312313ADevice to prevent binding of a guidance system for an upper body exercise apparatusSTAIRMASTER SPORTS MED PROD·Filed 1992·Granted May 17, 1994·39 cites·22 claims
- 1574USD357953SExercise cycleSTAIRMASTER SPORTS/MEDICAL PRODUCTS INC·Filed 1994·Granted May 2, 1995·18 cites·1 claims
- 1672USD355684SExercise machineSTAIRMASTER SPORTS/MEDICAL PRODUCTS INC·Filed 1993·Granted Feb 21, 1995·17 cites·1 claims
- 1761US5565002AExercise apparatusSTAIRMASTER SPORTS MED PROD·Filed 1994·Granted Oct 15, 1996·27 cites·127 claims
- 1858US10145148B2Direct action window lockMILGARD MFG INC·Filed 2014·Granted Dec 4, 2018·1 cites·22 claims
- 1954US11041326B2Direct action window lockMILGARD MFG LLC·Filed 2018·Granted Jun 22, 2021·0 cites·12 claims
- 2051USD373805SExercise apparatusSTAIRMASTER SPORTS/MEDICAL PRODUCTS L P·Filed 1995·Granted Sep 17, 1996·9 cites·1 claims
- 2146US2018031090A1Applicator attachment having a flexible membrane to convert oscillating rotational motion to orthogonal reciprocating motionL'ORÉAL ·Filed 2016·Application pending·0 cites
- 2246US2018031089A1Applicator attachment having cams to convert oscillating rotational motion to orthogonal reciprocating motionL'ORÉAL ·Filed 2016·Application pending·0 cites
- 2343USD381717SHandle for an exercise apparatusSTAIRMASTER SPORTS/MEDICAL PRODUCTS L P·Filed 1995·Granted Jul 29, 1997·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →