Inventor · disambiguated record
David M. Barrett
Also filed as: BARRETT DAVID · BARRETT DAVID M · BARRETT DAVID MICHAEL · BECK WILLIAM J JR
69 granted patents·13 pending applications·2,878 citations·filing 1976–2025
99Inventor score
Top patents by PatentIndex Score
82 records- 0197US5896938APortable electrohydraulic mining drillTETRA CORP·Filed 1996·Granted Apr 27, 1999·240 cites·71 claims
- 0296US10163092B2System and method for establishing a payment mechanism with a plurality of merchantsEXPENSIFY INC·Filed 2015·Granted Dec 25, 2018·20 cites·14 claims
- 0396US10068225B2System and method for utilizing a universal prepaid cardEXPENSIFY INC·Filed 2015·Granted Sep 4, 2018·16 cites·20 claims
- 0495US8447435B1System and method for routing power across multiple microgrids having DC and AC busesMILLER LANDON CABELL GARLAND·Filed 2010·Granted May 21, 2013·79 cites·6 claims
- 0594US8649914B2Method for routing power across multiple microgrids having DC and AC busesSCIENCE APPLIC INT CORP·Filed 2013·Granted Feb 11, 2014·32 cites·8 claims
- 0693US5260697AComputer with separate display plane and user interface processorWANG LABORATORIES·Filed 1990·Granted Nov 9, 1993·372 cites·7 claims
- 0793US5214761AReal-time adjustable-transform device driver for physical devicesWANG LABORATORIES·Filed 1991·Granted May 25, 1993·213 cites·25 claims
- 0892US10572868B2Computing system implementing a network transaction serviceEXPENSIFY INC·Filed 2018·Granted Feb 25, 2020·6 cites·20 claims
- 0992US9830582B1System, computer readable medium, and method for authorizing purchase using on-demand prepaid cardBARRETT DAVID M·Filed 2008·Granted Nov 28, 2017·29 cites·8 claims
- 1092US8421270B1System and method for a controlled interconnected DC and AC bus microgridMILLER LANDON CABELL GARLAND·Filed 2010·Granted Apr 16, 2013·29 cites·18 claims
- 1192US5491495AUser interface having simulated devicesWANG LABORATORIES·Filed 1990·Granted Feb 13, 1996·290 cites·18 claims
- 1291US4865026ASealing wound closure deviceBARRETT DAVID M·Filed 1987·Granted Sep 12, 1989·298 cites·10 claims
- 1390US5148155AComputer with tablet input to standard programsWANG LABORATORIES·Filed 1990·Granted Sep 15, 1992·200 cites·6 claims
- 1489US4063097AX-ray body scanner for computerized tomography comprising inner fluid container surrounded by outer fluid containerGEN ELECTRIC·Filed 1976·Granted Dec 13, 1977·58 cites·15 claims
- 1588US4358856AMultiaxial x-ray apparatusGEN ELECTRIC·Filed 1980·Granted Nov 9, 1982·267 cites·15 claims
- 1687US9459643B2Routing power across multiple microgrids having DC and AC busesSCIENCE APPLICATIONS INT CORP·Filed 2014·Granted Oct 4, 2016·10 cites·5 claims
- 1786US10210581B2System and method for processing receipts and other records of usersEXPENSIFY INC·Filed 2015·Granted Feb 19, 2019·3 cites·8 claims
- 1886US8861861B2System and method for processing receipts and other records of usersBARRETT DAVID M·Filed 2012·Granted Oct 14, 2014·6 cites·20 claims
- 1985US11516153B2Computer system providing a chat engineEXPENSIFY INC·Filed 2017·Granted Nov 29, 2022·6 cites·13 claims
- 2085US2024296439A1Computing system implementing a network transaction serviceEXPENSIFY INC·Filed 2024·Application pending·0 cites
- 2184US9196006B2System and method for processing receipts and other records of usersEXPENSIFY INC·Filed 2014·Granted Nov 24, 2015·4 cites·12 claims
- 2284US5560017ASystem with clock frequency controller responsive to interrupt independent of software routine and software loop repeatedly executing instruction to slow down system clockWANG LABORATORIES·Filed 1994·Granted Sep 24, 1996·66 cites·9 claims
- 2383US12406245B2Computing system implementing secondary authorizations for prepaid transactionsEXPENSIFY INC·Filed 2023·Granted Sep 2, 2025·0 cites·20 claims
- 2483US4335928AHigh voltage connector for x-ray equipmentGEN ELECTRIC·Filed 1980·Granted Jun 22, 1982·49 cites·11 claims
- 2581US12315005B2System and method for processing transaction records for usersEXPENSIFY INC·Filed 2023·Granted May 27, 2025·0 cites·20 claims
- 2681US10565568B2System and method for processing transaction records for usersEXPENSIFY INC·Filed 2018·Granted Feb 18, 2020·1 cites·20 claims
- 2780US9799070B1System and method for aggregating and presenting financial informationBARRETT DAVID·Filed 2011·Granted Oct 24, 2017·10 cites·15 claims
- 2880US2025217792A1Chat abstraction layer for a peer-to-peer transaction serviceEXPENSIFY INC·Filed 2024·Application pending·0 cites
- 2979US4969174AScanning mammography system with reduced scatter radiationGEN ELECTRIC·Filed 1989·Granted Nov 6, 1990·151 cites·12 claims
- 3079US2025350888A1Voice interactive systemEXPENSIFY INC·Filed 2025·Application pending·0 cites
- 3178US12002034B2Computing system implementing a network transaction serviceEXPENSIFY INC·Filed 2022·Granted Jun 4, 2024·0 cites·15 claims
- 3278US10459473B2Systems and method for routing power across multiple microgrids having DC and AC busesSCIENCE APPL INT CORP·Filed 2016·Granted Oct 29, 2019·2 cites·14 claims
- 3377US12375432B2Chat management systemEXPENSIFY INC·Filed 2024·Granted Jul 29, 2025·0 cites·20 claims
- 3477US12190311B2Chat abstraction layer for a peer-to-peer transaction serviceEXPENSIFY INC·Filed 2022·Granted Jan 7, 2025·0 cites·16 claims
- 3577US11658450B2Wavelength flexibility through variable-period poling of a compact cylindrical optical fiber assemblyUS GOVT AS REPRESENTED BY SECY OF AIR FORCE·Filed 2022·Granted May 23, 2023·0 cites·14 claims
- 3677US8635376B2Computer system input/output managementBARRETT DAVID MICHAEL·Filed 2009·Granted Jan 21, 2014·12 cites·103 claims
- 3777US4157472AX-ray body scanner for computerized tomographyGEN ELECTRIC·Filed 1976·Granted Jun 5, 1979·74 cites·9 claims
- 3876US11630150B2IC device authentication using energy characterizationSCIENCE APPL INT CORP·Filed 2021·Granted Apr 18, 2023·0 cites·20 claims
- 3975US11829973B2Computing system implementing secondary authorizations for prepaid transactionsEXPENSIFY INC·Filed 2022·Granted Nov 28, 2023·0 cites·20 claims
- 4075US2025322453A1System and method for processing transaction records for usersEXPENSIFY INC·Filed 2025·Application pending·0 cites
- 4174US6931460B2Dynamically self-adjusting polling mechanismEMULEX DESIGN & MFG CORP·Filed 2003·Granted Aug 16, 2005·20 cites·39 claims
- 4273US12348931B2Voice interactive systemEXPENSIFY INC·Filed 2023·Granted Jul 1, 2025·0 cites·18 claims
- 4373US11803833B2Computing system implementing a network transaction serviceEXPENSIFY INC·Filed 2021·Granted Oct 31, 2023·0 cites·20 claims
- 4473US11361304B2Computing system implementing a network transaction serviceEXPENSIFY INC·Filed 2021·Granted Jun 14, 2022·0 cites·16 claims
- 4573US11067625B2IC device authentication using energy characterizationSCIENCE APPL INT CORP·Filed 2020·Granted Jul 20, 2021·0 cites·20 claims
- 4673US10929836B2Computing system implementing a network transaction serviceEXPENSIFY INC·Filed 2019·Granted Feb 23, 2021·0 cites·20 claims
- 4773US4107531AX-ray body scanner using encoder for generating system controlling timing pulse trainGEN ELECTRIC·Filed 1976·Granted Aug 15, 1978·26 cites·21 claims
- 4871US10684324B1IC device authentication using energy characterizationSCIENCE APPL INT CORP·Filed 2019·Granted Jun 16, 2020·0 cites·20 claims
- 4971US6166083ASuckable flurbiprofen lozenges for treatment of sore throatBOOTS CO PLC·Filed 1999·Granted Dec 26, 2000·28 cites·2 claims
- 5070US11263611B2Computing system implementing secondary authorizations for prepaid transactionsEXPENSIFY INC·Filed 2020·Granted Mar 1, 2022·0 cites·20 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →