Inventor · disambiguated record
David Bellows
Also filed as: BELLOWS DAVID · BELLOWS DAVID E
53 granted patents·20 pending applications·477 citations·filing 2001–2024
98Inventor score
Files withZEBRA TECH CORP17SYMBOL TECHNOLOGIES INC16SYMBOL TECHNOLOGIES LLC12BELLOWS DAVID E10BELLOWS DAVID8
Top patents by PatentIndex Score
73 records- 0197US8870069B2Co-located antenna arrangementBELLOWS DAVID E·Filed 2012·Granted Oct 28, 2014·44 cites·15 claims
- 0296US10140486B1Systems and methods for point-of-sale detection with image sensors for identifying new radio frequency identification (RFID) tag events within a vicinity of an RFID readerSYMBOL TECHNOLOGIES LLC·Filed 2017·Granted Nov 27, 2018·25 cites·10 claims
- 0395US11423354B2Smart shelf systems and methods of operating the sameZEBRA TECH CORP·Filed 2020·Granted Aug 23, 2022·4 cites·37 claims
- 0493US10534939B1Systems and methods for managing a population of RFID tagsZEBRA TECH CORP·Filed 2018·Granted Jan 14, 2020·11 cites·29 claims
- 0593US8260384B2Wearable mobile computing systemWULFF THOMAS·Filed 2007·Granted Sep 4, 2012·44 cites·23 claims
- 0692US7903033B2Antennas incorporated in a fitted accessory of a mobile unitSYMBOL TECHNOLOGIES INC·Filed 2007·Granted Mar 8, 2011·35 cites·10 claims
- 0789USD466511SCradle for a hand held portable electronic deviceSYMBOL TECHNOLOGIES INC·Filed 2001·Granted Dec 3, 2002·37 cites·1 claims
- 0888US10095894B1Systems and methods for density-based RFID network configurationSYMBOL TECHNOLOGIES LLC·Filed 2017·Granted Oct 9, 2018·6 cites·26 claims
- 0988USD791747SRFID moduleSYMBOL TECHNOLOGIES LLC·Filed 2016·Granted Jul 11, 2017·31 cites·1 claims
- 1088US6878016B2High cycle connector contact systemSYMBOL TECHNOLOGIES INC·Filed 2002·Granted Apr 12, 2005·43 cites·22 claims
- 1187USD966127SAsset tracking equipment housingZEBRA TECH CORP·Filed 2020·Granted Oct 11, 2022·11 cites·1 claims
- 1285US10157303B1Systems and methods for steering one or more product readers and determining product attributesSYMBOL TECHNOLOGIES LLC·Filed 2017·Granted Dec 18, 2018·5 cites·24 claims
- 1385US8884744B2Portable data tag reader device, system and method for identifying a location of a data tag using a read zone and location of the readerBELLOWS DAVID E·Filed 2011·Granted Nov 11, 2014·8 cites·20 claims
- 1485US8421604B2Method and apparatus for identifying read zone of RFID readerBELLOWS DAVID E·Filed 2009·Granted Apr 16, 2013·14 cites·28 claims
- 1585US7876227B2Polarization insensitive antenna for handheld radio frequency identification readersSYMBOL TECHNOLOGIES INC·Filed 2008·Granted Jan 25, 2011·16 cites·20 claims
- 1684US8659494B2Rotating-polarization reflector-backed RFID loop antenna apparatus and methodBELLOWS DAVID E·Filed 2011·Granted Feb 25, 2014·7 cites·20 claims
- 1784US6822853B2Method and system for assembling keypadSYMBOL TECHNOLOGIES INC·Filed 2002·Granted Nov 23, 2004·23 cites·28 claims
- 1883US9971919B1Systems and method to adaptively optimize RFID-based point-of-sale performanceSYMBOL TECHNOLOGIES LLC·Filed 2017·Granted May 15, 2018·3 cites·28 claims
- 1981US9390303B2Synchronization of radio frequency identification readers using infrared pulseSYMBOL TECHNOLOGIES INC·Filed 2014·Granted Jul 12, 2016·5 cites·14 claims
- 2080US10061952B2Arrangement for, and method of, detecting passage of objects associated with radio frequency (RF) identification (RFID) object tags through a portalSYMBOL TECHNOLOGIES LLC·Filed 2016·Granted Aug 28, 2018·3 cites·16 claims
- 2179USD843862SAsset tracking equipment housingSYMBOL TECHNOLOGIES LLC·Filed 2017·Granted Mar 26, 2019·19 cites·1 claims
- 2277USD1071753SAsset tracking equipment housingZEBRA TECH CORP·Filed 2022·Granted Apr 22, 2025·4 cites·1 claims
- 2377US11521003B1Layout generation for location-tracking sensorsZEBRA TECH CORP·Filed 2021·Granted Dec 6, 2022·1 cites·18 claims
- 2477USD791748SLocationing moduleSYMBOL TECHNOLOGIES LLC·Filed 2016·Granted Jul 11, 2017·17 cites·1 claims
- 2577US8773260B2System and method for monitoring a mobile computing product/arrangementWULFF THOMAS·Filed 2011·Granted Jul 8, 2014·3 cites·19 claims
- 2675US9760919B2Preventing purchased merchandise from being left at a checkout counterSYMBOL TECHNOLOGIES INC·Filed 2013·Granted Sep 12, 2017·1 cites·15 claims
- 2773US8520860B2Modular mobile computing headsetWULFF THOMAS·Filed 2007·Granted Aug 27, 2013·4 cites·12 claims
- 2872US8245930B2Method and apparatus for augmenting optical barcode scanner with RFID readerBELLOWS DAVID E·Filed 2009·Granted Aug 21, 2012·6 cites·6 claims
- 2971US7667151B2Arrangement including rigid housing and displaySYMBOL TECHNOLOGIES INC·Filed 2005·Granted Feb 23, 2010·3 cites·20 claims
- 3071US2025211955A1Enhanced Broadcast Function at Edge DevicesZEBRA TECH CORP·Filed 2023·Application pending·0 cites
- 3169US8242909B2Method of configuring RFID readerBELLOWS DAVID E·Filed 2008·Granted Aug 14, 2012·3 cites·4 claims
- 3269US8199015B2Thermally controlled duty cycle regulation in an RFID moduleSANDLER ROBERT I·Filed 2009·Granted Jun 12, 2012·4 cites·17 claims
- 3368US6973291B1Vehicle cradle system and methodology for hand held devicesSYMBOL TECHNOLOGIES INC·Filed 2001·Granted Dec 6, 2005·10 cites·29 claims
- 3467US11864078B2Enhanced broadcast function at edge devicesZEBRA TECH CORP·Filed 2022·Granted Jan 2, 2024·0 cites·25 claims
- 3567US8279125B2Compact circular polarized monopole and slot UHF RFID antenna systems and methodsBELLOWS DAVID E·Filed 2009·Granted Oct 2, 2012·5 cites·14 claims
- 3665US9087247B2Passive RFID triggering systems and methods using antenna reverse power detectionBELLOWS DAVID·Filed 2010·Granted Jul 21, 2015·2 cites·6 claims
- 3763US2025173666A1Devices and Methods for Object Tracking During Logistics OperationsZEBRA TECH CORP·Filed 2023·Application pending·0 cites
- 3862US11262431B2Co-located locationing technologiesSYMBOL TECHNOLOGIES LLC·Filed 2019·Granted Mar 1, 2022·0 cites·14 claims
- 3962US8610542B2Radio frequency identification reader with variable rangeJENKINS IAN·Filed 2008·Granted Dec 17, 2013·2 cites·2 claims
- 4061USD785609SWLAN moduleSYMBOL TECHNOLOGIES LLC·Filed 2016·Granted May 2, 2017·8 cites·1 claims
- 4161US2010100623A1System and method for monitoring a mobile computing product/arrangementWULFF THOMAS·Filed 2009·Application pending·0 cites
- 4260US12203803B2Sensor arrays for a smart shelfZEBRA TECH CORP·Filed 2022·Granted Jan 21, 2025·0 cites·18 claims
- 4359US12232075B2System and method for automated and dynamic location trackingZEBRA TECH CORP·Filed 2022·Granted Feb 18, 2025·0 cites·20 claims
- 4458US2024177576A1Imaging Systems and Methods for Monitoring Items in Predetermined AreasZEBRA TECH CORP·Filed 2022·Application pending·0 cites
- 4557USD754776SMounting adapter plateSYMBOL TECHNOLOGIES INC·Filed 2014·Granted Apr 26, 2016·9 cites·1 claims
- 4655US11814247B2Modular inventory management systemZEBRA TECH CORP·Filed 2020·Granted Nov 14, 2023·0 cites·20 claims
- 4755US10261167B2Co-located locationing technologiesSYMBOL TECHNOLOGIES INC·Filed 2014·Granted Apr 16, 2019·0 cites·13 claims
- 4854US11496867B2Automated validation of location tracking systemZEBRA TECH CORP·Filed 2021·Granted Nov 8, 2022·0 cites·18 claims
- 4954US2025322183A1Configurable Radio-Frequency Identification ReaderZEBRA TECH CORP·Filed 2024·Application pending·0 cites
- 5052US2011221673A1System and method for monitoring a mobile computing product/arrangementSYMBOL TECHNOLOGIES INC·Filed 2011·Application pending·0 cites
Showing the top 50 of 73 patent records by PatentIndex Score.
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