Inventor · disambiguated record
Stephen E. Hannah
Also filed as: HANNAH STEPHEN E
62 granted patents·4 pending applications·2,025 citations·filing 2000–2024
99Inventor score
Files withGATEKEEPER SYSTEMS INC51HANNAH STEPHEN E8CARTER SCOTT J3GE MED SYS INFORMATION TECH2GATESKEEPER SYSTEMS INC1
Top patents by PatentIndex Score
66 records- 0199US11208134B2Monitoring system capable of classifying items added to a shopping cartGATEKEEPER SYSTEMS INC·Filed 2021·Granted Dec 28, 2021·17 cites·36 claims
- 0299US8700230B1Cart containment system with integrated cart display unitGATEKEEPER SYSTEMS INC·Filed 2013·Granted Apr 15, 2014·80 cites·31 claims
- 0399US8463540B2Two-way communication system for tracking locations and statuses of wheeled vehiclesHANNAH STEPHEN E·Filed 2006·Granted Jun 11, 2013·85 cites·48 claims
- 0499US8046160B2Navigation systems and methods for wheeled objectsGATEKEEPER SYSTEMS INC·Filed 2006·Granted Oct 25, 2011·158 cites·47 claims
- 0599US7944368B2Systems and methods for locating and controlling powered vehiclesGATEKEEPER SYSTEMS INC·Filed 2006·Granted May 17, 2011·131 cites·44 claims
- 0698US9731744B2Estimating motion of wheeled cartsGATEKEEPER SYSTEMS INC·Filed 2016·Granted Aug 15, 2017·30 cites·23 claims
- 0798US8674845B2Systems and methods for locating and controlling powered vehicles using a received strength indication signalCARTER SCOTT J·Filed 2011·Granted Mar 18, 2014·46 cites·20 claims
- 0898US8578984B2Non-motorized vehicle wheel replacement treads and methodsGATEKEEPER SYSTEMS INC·Filed 2012·Granted Nov 12, 2013·31 cites·24 claims
- 0998US8570171B2System for detecting unauthorized store exit events using signals detected by shopping cart wheels unitsGATEKEEPER SYSTEMS INC·Filed 2013·Granted Oct 29, 2013·26 cites·30 claims
- 1098US8433507B2Usage monitoring of shopping carts or other human-propelled vehiclesHANNAH STEPHEN E·Filed 2008·Granted Apr 30, 2013·85 cites·18 claims
- 1198US6659947B1Wireless LAN architecture for integrated time-critical and non-time-critical services within medical facilitiesGE MED SYS INFORMATION TECH·Filed 2000·Granted Dec 9, 2003·535 cites·29 claims
- 1297US11203370B2Shopping cart monitoring using computer visionGATEKEEPER SYSTEMS INC·Filed 2021·Granted Dec 21, 2021·5 cites·21 claims
- 1397US10745040B2Motorized cart retriever for monitoring cart statusGATEKEEPER SYSTEMS INC·Filed 2018·Granted Aug 18, 2020·7 cites·19 claims
- 1497US9963162B1Cart monitoring system supporting unicast and multicast command transmissions to wheel assembliesGATEKEEPER SYSTEMS INC·Filed 2018·Granted May 8, 2018·11 cites·20 claims
- 1597US9322658B2Wheel skid detection during mechanized cart retrievalGATEKEEPER SYSTEMS INC·Filed 2015·Granted Apr 26, 2016·18 cites·25 claims
- 1697US9205702B2Non-motorized vehicle wheel replacement treads and methodsGATEKEEPER SYSTEMS INC·Filed 2013·Granted Dec 8, 2015·23 cites·19 claims
- 1797US8820447B2Power generation systems and methods for wheeled objectsCARTER SCOTT J·Filed 2006·Granted Sep 2, 2014·40 cites·72 claims
- 1897US8751148B2Navigation systems and methods for wheeled objectsCARTER SCOTT J·Filed 2011·Granted Jun 10, 2014·25 cites·20 claims
- 1997US8718923B2Object cluster detection and estimationGATEKEEPER SYSTEMS INC·Filed 2013·Granted May 6, 2014·14 cites·24 claims
- 2097US7153263B2Wireless LAN architecture for integrated time-critical and non-time-critical services within medical facilitiesGE MED SYS INFORMATION TECH·Filed 2004·Granted Dec 26, 2006·226 cites·7 claims
- 2196US9669659B2Brake mechanism for a non-motorized wheeled vehicleGATEKEEPER SYSTEMS INC·Filed 2015·Granted Jun 6, 2017·26 cites·39 claims
- 2296US9630639B2Navigation systems and methods for wheeled objectsGATEKEEPER SYSTEMS INC·Filed 2014·Granted Apr 25, 2017·25 cites·16 claims
- 2396US9403548B2Monitoring usage or status of cart retrieversGATEKEEPER SYSTEMS INC·Filed 2015·Granted Aug 2, 2016·35 cites·21 claims
- 2496US9091551B2System for controlling usage of shopping carts or other human-propelled vehiclesHANNAH STEPHEN E·Filed 2009·Granted Jul 28, 2015·35 cites·23 claims
- 2596US8558698B1Zone-based control of cart usage using RF transmission for brake activationGATESKEEPER SYSTEMS INC·Filed 2013·Granted Oct 15, 2013·36 cites·20 claims
- 2696US8417445B2System for communicating with and monitoring movement of human-propelled vehiclesHANNAH STEPHEN E·Filed 2008·Granted Apr 9, 2013·26 cites·29 claims
- 2796US8406993B2Cart braking control during mechanized cart retrievalHANNAH STEPHEN E·Filed 2008·Granted Mar 26, 2013·37 cites·12 claims
- 2895US10232869B2Navigation systems for wheeled cartsGATEKEEPER SYSTEMS INC·Filed 2018·Granted Mar 19, 2019·15 cites·21 claims
- 2995US10023216B2Cart monitoring system capable of authorizing cart exit eventsGATEKEEPER SYSTEMS INC·Filed 2018·Granted Jul 17, 2018·10 cites·20 claims
- 3095US9637151B2System for detecting unauthorized store exit eventsGATEKEEPER SYSTEMS INC·Filed 2015·Granted May 2, 2017·11 cites·20 claims
- 3195US8473192B2Antenna-based zone creation for controlling movement of vehiclesHANNAH STEPHEN E·Filed 2008·Granted Jun 25, 2013·22 cites·31 claims
- 3294US11990009B2Shopping basket monitoring using computer visionGATEKEEPER SYSTEMS INC·Filed 2021·Granted May 21, 2024·2 cites·31 claims
- 3394US11183070B2Estimating motion of wheeled cartsGATEKEEPER SYSTEMS INC·Filed 2020·Granted Nov 23, 2021·3 cites·24 claims
- 3494US8606501B2System for monitoring usage of shopping carts or other human-propelled vehiclesHANNAH STEPHEN E·Filed 2008·Granted Dec 10, 2013·23 cites·40 claims
- 3594US8571778B2Cart braking control during mechanized cart retrievalGATEKEEPER SYSTEMS INC·Filed 2013·Granted Oct 29, 2013·15 cites·17 claims
- 3693US10189494B2Cart monitoring system with wheel assembly capable of visually signaling cart statusGATEKEEPER SYSTEMS INC·Filed 2018·Granted Jan 29, 2019·6 cites·13 claims
- 3793US10001541B2Magnetometer and accelerometer calibration for cart navigation systemGATEKEEPER SYSTEMS INC·Filed 2016·Granted Jun 19, 2018·6 cites·21 claims
- 3893US9676405B2System with handheld mobile control unit for controlling shopping cart wheel assembliesGATEKEEPER SYSTEMS INC·Filed 2016·Granted Jun 13, 2017·4 cites·16 claims
- 3991US9758185B2Wheel assembly and antenna design for cart tracking systemGATEKEEPER SYSTEMS INC·Filed 2013·Granted Sep 12, 2017·8 cites·21 claims
- 4091US8478471B2Cart cluster detection and estimationHANNAH STEPHEN E·Filed 2008·Granted Jul 2, 2013·14 cites·19 claims
- 4189US9914470B2System with wheel assembly that communicates with display unit of human propelled cartGATEKEEPER SYSTEMS INC·Filed 2016·Granted Mar 13, 2018·4 cites·28 claims
- 4289US9586606B2Power generation systems and methods for wheeled objectsGATEKEEPER SYSTEMS INC·Filed 2014·Granted Mar 7, 2017·7 cites·24 claims
- 4389US8364105B2Solar powered transmitterGATEKEEPER SYSTEMS INC·Filed 2011·Granted Jan 29, 2013·10 cites·35 claims
- 4487US10858024B2Navigation systems for wheeled cartsGATEKEEPER SYSTEMS INC·Filed 2019·Granted Dec 8, 2020·4 cites·19 claims
- 4587US10546502B2Estimating motion of wheeled cartsGATEKEEPER SYSTEMS INC·Filed 2017·Granted Jan 28, 2020·4 cites·17 claims
- 4686US2025140120A1Estimating motion of wheeled cartsGATEKEEPER SYSTEMS INC·Filed 2024·Application pending·0 cites
- 4785US12482334B2Shopping basket monitoring using computer visionGATEKEEPER SYSTEMS INC·Filed 2024·Granted Nov 25, 2025·0 cites·22 claims
- 4885US12106644B2Shopping basket monitoring using computer vision and machine learningGATEKEEPER SYSTEMS INC·Filed 2023·Granted Oct 1, 2024·1 cites·20 claims
- 4985US11230313B2System for monitoring and controlling shopping cart usageGATEKEEPER SYSTEMS INC·Filed 2021·Granted Jan 25, 2022·1 cites·28 claims
- 5085US10219136B2Systems with buried antennas for bi-directional communication with wheeled vehiclesGATEKEEPER SYSTEMS INC·Filed 2017·Granted Feb 26, 2019·4 cites·31 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →