Inventor · disambiguated record
Douglas A. Crawford
Also filed as: CRAWFORD DOUGLAS A
31 granted patents·1 pending application·1,367 citations·filing 2002–2014
98Inventor score
Technology areasA63B
Top patents by PatentIndex Score
32 records- 0196US8550962B2Dual deck exercise devicePIAGET GARY·Filed 2011·Granted Oct 8, 2013·58 cites·12 claims
- 0296US8002674B2Dual deck exercise deviceNAUTILUS INC·Filed 2009·Granted Aug 23, 2011·72 cites·7 claims
- 0396US7621850B2Dual deck exercise deviceNAUTILUS INC·Filed 2004·Granted Nov 24, 2009·105 cites·6 claims
- 0496US7261678B2Adjustable dumbbell systemNAUTILUS INC·Filed 2003·Granted Aug 28, 2007·100 cites·25 claims
- 0595US9308415B2Upper body exercise and flywheel enhanced dual deck treadmillsNAUTILUS INC·Filed 2014·Granted Apr 12, 2016·29 cites·15 claims
- 0695US8734300B2Dual deck exercise devicePIAGET GARY·Filed 2012·Granted May 27, 2014·34 cites·7 claims
- 0795US8002680B2Adjustable dumbbell systemNAUTILUS INC·Filed 2010·Granted Aug 23, 2011·31 cites·20 claims
- 0895US7811209B2Upper body exchange and flywheel enhanced dual deck treadmillsNAUTILUS INC·Filed 2009·Granted Oct 12, 2010·49 cites·14 claims
- 0995US7614982B2Adjustable dumbbell systemNAUTILUS INC·Filed 2007·Granted Nov 10, 2009·45 cites·10 claims
- 1095US7517303B2Upper body exercise and flywheel enhanced dual deck treadmillsNAUTILUS INC·Filed 2005·Granted Apr 14, 2009·57 cites·5 claims
- 1195USD540894SAdjustable dumbbellNAUTILUS INC·Filed 2002·Granted Apr 17, 2007·66 cites·1 claims
- 1295USD540405SAdjustable dumbbellNAUTILUS INC·Filed 2002·Granted Apr 10, 2007·67 cites·1 claims
- 1394US9352187B2Dual deck exercise deviceNAUTILUS INC·Filed 2014·Granted May 31, 2016·24 cites·20 claims
- 1494US8147385B2Upper body exercise and flywheel enhanced dual deck treadmillsCRAWFORD DOUGLAS A·Filed 2010·Granted Apr 3, 2012·38 cites·24 claims
- 1594US8113994B2Exercise device with treadlesPIAGET GARY·Filed 2009·Granted Feb 14, 2012·41 cites·14 claims
- 1694US7815549B2Control system and method for an exercise apparatusNAUTILUS INC·Filed 2005·Granted Oct 19, 2010·65 cites·15 claims
- 1794US7794373B2Adjustable dumbbell systemNAUTILUS INC·Filed 2009·Granted Sep 14, 2010·41 cites·22 claims
- 1894US7704191B2Dual treadmill exercise device having a single rear rollerNAUTILUS INC·Filed 2005·Granted Apr 27, 2010·68 cites·25 claims
- 1994US7553260B2Exercise device with treadlesNAUTILUS INC·Filed 2004·Granted Jun 30, 2009·63 cites·27 claims
- 2093US9072932B2Exercise device with treadlesNAUTILUS INC·Filed 2013·Granted Jul 7, 2015·24 cites·24 claims
- 2193US7914421B2Treadmill deck locking mechanismNAUTILUS INC·Filed 2010·Granted Mar 29, 2011·41 cites·16 claims
- 2293US7553265B2Adjustable dumbbell systemNAUTILUS INC·Filed 2006·Granted Jun 30, 2009·38 cites·9 claims
- 2393USD508628SAdjustable dumbbell support baseNAUTILUS INC·Filed 2002·Granted Aug 23, 2005·50 cites·1 claims
- 2491US7618346B2System and method for controlling an exercise apparatusNAUTILUS INC·Filed 2004·Granted Nov 17, 2009·61 cites·8 claims
- 2587US7736280B2Treadmill deck locking mechanismNAUTILUS INC·Filed 2005·Granted Jun 15, 2010·30 cites·25 claims
- 2686US7967730B2System and method for controlling an exercise apparatusNAUTILUS INC·Filed 2009·Granted Jun 28, 2011·22 cites·20 claims
- 2784US8439807B2Exercise device with treadlesPIAGET GARY·Filed 2012·Granted May 14, 2013·10 cites·6 claims
- 2884USD473273SExercise bicycle handlebarNAUTILUS INC·Filed 2002·Granted Apr 15, 2003·30 cites·1 claims
- 2974US8696524B2Dual deck exercise devicePIAGET GARY·Filed 2012·Granted Apr 15, 2014·4 cites·19 claims
- 3072US8734299B2Upper body exercise and flywheel enhanced dual deck treadmillsCRAWFORD DOUGLAS A·Filed 2012·Granted May 27, 2014·4 cites·15 claims
- 3157US9440107B2Exercise device with treadlesNAUTILUS INC·Filed 2014·Granted Sep 13, 2016·0 cites·22 claims
- 3245US2003171191A1Exercise bicycle handlebarNAUTILUS INC·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →