Inventor · disambiguated record
J. Douglas Field
Also filed as: FIELD J D · FIELD J DOUGLAS
59 granted patents·11 pending applications·4,201 citations·filing 1996–2019
99Inventor score
Top patents by PatentIndex Score
70 records- 0199US8830048B2Control of a personal transporter based on user positionKAMEN DEAN·Filed 2013·Granted Sep 9, 2014·72 cites·20 claims
- 0299US7789174B2Dynamically stable transporter controlled by leanDEKA PRODUCTS LP·Filed 2007·Granted Sep 7, 2010·93 cites·12 claims
- 0399US7275607B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2004·Granted Oct 2, 2007·138 cites·9 claims
- 0499US6538411B1Deceleration control of a personal transporterDEKA PRODUCTS LP·Filed 2000·Granted Mar 25, 2003·174 cites·4 claims
- 0599US6367817B1Personal mobility vehicles and methodsDEKA PRODUCTS LP·Filed 2000·Granted Apr 9, 2002·173 cites·4 claims
- 0698US9400502B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2015·Granted Jul 26, 2016·21 cites·20 claims
- 0798US8467941B2Apparatus and method for control of a vehicleFIELD J DOUGLAS·Filed 2012·Granted Jun 18, 2013·132 cites·20 claims
- 0898US8248222B2Control of a personal transporter based on user positionKAMEN DEAN·Filed 2010·Granted Aug 21, 2012·53 cites·18 claims
- 0998US8186462B2Dynamically stable transporter controlled by leanKAMEN DEAN·Filed 2007·Granted May 29, 2012·52 cites·26 claims
- 1098US8170780B2Apparatus and method for control of a vehicleFIELD J DOUGLAS·Filed 2008·Granted May 1, 2012·151 cites·12 claims
- 1198US7857088B2Enhanced control of a transporterSEGWAY INC·Filed 2010·Granted Dec 28, 2010·119 cites·7 claims
- 1298US7812715B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2007·Granted Oct 12, 2010·24 cites·24 claims
- 1398US7740099B2Enhanced control of a transporterSEGWAY INC·Filed 2007·Granted Jun 22, 2010·155 cites·4 claims
- 1498US7174976B2Dynamically stable transporter controlled by leanDEKA PRODUCTS LP·Filed 2005·Granted Feb 13, 2007·84 cites·6 claims
- 1598US7157875B2Method and system for fail-safe motor operationDEKA PRODUCTS LP·Filed 2005·Granted Jan 2, 2007·95 cites·11 claims
- 1698US7090040B2Motion control of a transporterDEKA PRODUCTS LP·Filed 2003·Granted Aug 15, 2006·123 cites·6 claims
- 1798US7004271B1Dynamic balancing vehicle with a seatDEKA PRODUCTS LP·Filed 2003·Granted Feb 28, 2006·161 cites·6 claims
- 1898US6827163B2Non-linear control of a balancing vehicleDEKA PRODUCTS LP·Filed 2003·Granted Dec 7, 2004·126 cites·5 claims
- 1998US6779621B2Riderless stabilization of a balancing transporterDEKA PRODUCTS LP·Filed 2003·Granted Aug 24, 2004·129 cites·4 claims
- 2098US6651763B1Transporter oscillating alarmDEKA PRODUCTS LP·Filed 2000·Granted Nov 25, 2003·83 cites·7 claims
- 2198US6581714B1Steering control of a personal transporterDEKA PRODUCTS LP·Filed 2000·Granted Jun 24, 2003·177 cites·2 claims
- 2298US6435535B1Trailer for balancing vehicleDEKA PRODUCTS LP·Filed 2000·Granted Aug 20, 2002·92 cites·2 claims
- 2397US9188984B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2014·Granted Nov 17, 2015·21 cites·20 claims
- 2497US7900725B2Vehicle control by pitch modulationSEGWAY INC·Filed 2005·Granted Mar 8, 2011·98 cites·4 claims
- 2597US7757794B2Vehicle control by pitch modulationSEGWAY INC·Filed 2008·Granted Jul 20, 2010·100 cites·16 claims
- 2697US6965206B2Method and system for fail-safe motor operationDEKA PRODUCTS LP·Filed 2002·Granted Nov 15, 2005·122 cites·21 claims
- 2797US6796396B2Personal transporterDEKA PRODUCTS LP·Filed 2002·Granted Sep 28, 2004·157 cites·8 claims
- 2897US6302230B1Personal mobility vehicles and methodsDEKA PRODUCTS LP·Filed 1999·Granted Oct 16, 2001·323 cites·7 claims
- 2996US7023330B2Transporter oscillating alarmDEKA PRODUCTS LP·Filed 2003·Granted Apr 4, 2006·89 cites·5 claims
- 3095US7690447B2Dynamic balancing vehicle with a seatDEKA PRODUCTS LP·Filed 2007·Granted Apr 6, 2010·59 cites·20 claims
- 3195US7592900B2Transporter motor alarmDEKA PRODUCTS LP·Filed 2006·Granted Sep 22, 2009·44 cites·4 claims
- 3295US7546889B2Guided control of a transporterDEKA PRODUCTS LP·Filed 2003·Granted Jun 16, 2009·62 cites·17 claims
- 3395US7273116B2Dynamic balancing vehicle with a seatDEKA PRODUCTS LP·Filed 2005·Granted Sep 25, 2007·62 cites·23 claims
- 3495USD528468SPersonal transporterSEGWAY LLC·Filed 2004·Granted Sep 19, 2006·90 cites·1 claims
- 3595US6969079B2Multiple-passenger transporterDEKA PRODUCTS LP·Filed 2003·Granted Nov 29, 2005·68 cites·20 claims
- 3694US9477228B2Apparatus and method for control of a vehicleSEGWAY INC·Filed 2015·Granted Oct 25, 2016·9 cites·11 claims
- 3794US7479872B2Transporter oscillating alarmDEKA PRODUCTS LP·Filed 2005·Granted Jan 20, 2009·37 cites·17 claims
- 3894US7407175B2Multiple-passenger transporterDEKA PRODUCTS LP·Filed 2005·Granted Aug 5, 2008·37 cites·8 claims
- 3994USD493128SPersonal transporterSEGWAY LLC·Filed 2002·Granted Jul 20, 2004·72 cites·1 claims
- 4093US9442492B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2015·Granted Sep 13, 2016·6 cites·18 claims
- 4193US8624560B2Controlling battery charging based on current, voltage and temperatureUNGAR P JEFFREY·Filed 2009·Granted Jan 7, 2014·66 cites·24 claims
- 4293US6598941B2Apparatus and method for attaching a wheel to an axleDEKA PRODUCTS LP·Filed 2001·Granted Jul 29, 2003·47 cites·12 claims
- 4391US8322477B2Motion control of a transporterKAMEN DEAN·Filed 2006·Granted Dec 4, 2012·33 cites·16 claims
- 4491US7000933B2Method for attaching a carrier to a balancing transporterDEKA PRODUCTS LP·Filed 2003·Granted Feb 21, 2006·70 cites·8 claims
- 4590US9529365B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2015·Granted Dec 27, 2016·4 cites·20 claims
- 4687US7779939B2Guided control of a transporterDEKA PRODUCTS LP·Filed 2007·Granted Aug 24, 2010·28 cites·4 claims
- 4786US9983587B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2016·Granted May 29, 2018·2 cites·13 claims
- 4885US9411340B2Control of a personal transporter based on user positionDEKA PRODUCTS LP·Filed 2015·Granted Aug 9, 2016·2 cites·20 claims
- 4984US6815919B2Accelerated startup for a balancing personal vehicleDEKA PRODUCTS LP·Filed 2003·Granted Nov 9, 2004·36 cites·8 claims
- 5080US9168966B2Apparatus and method for control of a vehicleSEGWAY INC·Filed 2013·Granted Oct 27, 2015·4 cites·20 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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