Inventor · disambiguated record
David B. Smith
Also filed as: SMITH DAVID · SMITH DAVID B · SMITH DAVID BALFOUR · SMITH DAVID D
74 granted patents·4 pending applications·2,320 citations·filing 1975–2021
99Inventor score
Top patents by PatentIndex Score
78 records- 0196US4096856APortable electronic physiological instrument having separable first and second components, and improved mechanical connector thereforPHYSIO CONTROL CORP·Filed 1976·Granted Jun 27, 1978·95 cites·8 claims
- 0295US6263055B1System for suppressed ringing access of subscriber lines to identify usage anomalies of customer premise equipment connected theretoLUCENT TECHNOLOGIES INC·Filed 1998·Granted Jul 17, 2001·267 cites·19 claims
- 0393US6724885B1Automatic call distribution center with queue position restoration for call-back customersLUCENT TECHNOLOGIES INC·Filed 2000·Granted Apr 20, 2004·110 cites·12 claims
- 0493US6452490B1Home/commercial security monitoring systemLUCENT TECHNOLOGIES INC·Filed 1999·Granted Sep 17, 2002·244 cites·38 claims
- 0592US7810710B2Stored-value product with manufactured articleTARGET BRANDS INC·Filed 2006·Granted Oct 12, 2010·18 cites·6 claims
- 0692US5559871ACall charge control and notificationLUCENT TECHNOLOGIES INC·Filed 1994·Granted Sep 24, 1996·177 cites·15 claims
- 0791US7789297B2Stored-value card with chemical luminescenceTARGET BRANDS INC·Filed 2006·Granted Sep 7, 2010·13 cites·22 claims
- 0890US8070054B2Stored-value product with manufactured articleHALBUR TED C·Filed 2010·Granted Dec 6, 2011·9 cites·19 claims
- 0989US6912177B2Transmission of data in boreholesMETROL TECH LTD·Filed 1997·Granted Jun 28, 2005·106 cites·12 claims
- 1088US7591418B2Stored-value card with housed objectTARGET BRANDS INC·Filed 2006·Granted Sep 22, 2009·25 cites·18 claims
- 1186US6754311B1Enhanced subscriber line call monitoringLUCENT TECHNOLOGIES INC·Filed 2000·Granted Jun 22, 2004·31 cites·16 claims
- 1286US4024841ARotary internal combustion engine with oscillating pistonsSMITH DAVID B·Filed 1975·Granted May 24, 1977·33 cites·10 claims
- 1386USD244154SPortable defibrillatorPHYSIO CONTROL CORP·Filed 1976·Granted Apr 26, 1977·18 cites·1 claims
- 1484US6798877B2Enhanced end user automatic call distributor controlLUCENT TECHNOLOGIES INC·Filed 2001·Granted Sep 28, 2004·39 cites·20 claims
- 1584USD249064SPortable defibrillator/EKG monitor/EKG recorderPHYSIO CONTROL CORP·Filed 1976·Granted Aug 22, 1978·17 cites·1 claims
- 1683USD244155SPortable electrocardiogram monitor and recorderPHYSIO CONTROL CORP·Filed 1976·Granted Apr 26, 1977·16 cites·1 claims
- 1781US10245176B2Triggering the autonomic nervous systemSMITH DAVID·Filed 2016·Granted Apr 2, 2019·4 cites·25 claims
- 1881US7810736B2Transaction product with electrical plugTARGET BRANDS INC·Filed 2007·Granted Oct 12, 2010·11 cites·24 claims
- 1981US6801620B2Enhanced agent automatic call distribution controlLUCENT TECHNOLOGIES INC·Filed 2001·Granted Oct 5, 2004·27 cites·22 claims
- 2081US5812656ASystem for providing prioritized connections in a public switched networkLUCENT TECHNOLOGIES INC·Filed 1995·Granted Sep 22, 1998·70 cites·13 claims
- 2180US8019451B2Financial transaction product with media playerTARGET BRANDS INC·Filed 2006·Granted Sep 13, 2011·6 cites·28 claims
- 2280US5999526AMethod and apparatus for delivering data from an information provider using the public switched networkLUCENT TECHNOLOGIES INC·Filed 1996·Granted Dec 7, 1999·127 cites·28 claims
- 2378US6937594B2Loop back testing for multi-protocol hybrid networksLUCENT TECHNOLOGIES INC·Filed 2001·Granted Aug 30, 2005·26 cites·23 claims
- 2478USD253610SPortable defibrillator/EKG monitor/EKG recorder or the likePHYSIO CONTROL CORP·Filed 1978·Granted Dec 4, 1979·14 cites·1 claims
- 2576US5450123AMethod to enhance voice communications using encoded one-way video signals under bi-directional user or network control for transmitting stored or real-time video or image informationAT & T CORP·Filed 1994·Granted Sep 12, 1995·65 cites·13 claims
- 2676USD243717SPhysiological monitoring device housingPHYSIO CONTROL CORP·Filed 1975·Granted Mar 15, 1977·16 cites·1 claims
- 2775US8255923B2Shared persistent communication threadYOUEL TED·Filed 2008·Granted Aug 28, 2012·9 cites·19 claims
- 2875US6850612B2End user automatic call distributor network controlLUCENT TECHNOLOGIES INC·Filed 2001·Granted Feb 1, 2005·19 cites·5 claims
- 2975US6167042ACommunications between service providers and customer premises equipmentLUCENT TECHNOLOGIES INC·Filed 1997·Granted Dec 26, 2000·66 cites·16 claims
- 3075USD253609SPortable EKG monitor/EKG recorder or the likePHYSIO CONTROL CORP·Filed 1978·Granted Dec 4, 1979·11 cites·1 claims
- 3174US6728338B1Utilization of communication channels between a central office switch and a law enforcement agencyLUCENT TECHNOLOGIES INC·Filed 2000·Granted Apr 27, 2004·16 cites·8 claims
- 3273US9448951B2Processor communicationsSTMICROELECTRONICS (R&D) LTD·Filed 2012·Granted Sep 20, 2016·3 cites·20 claims
- 3373USD253608SPortable defibrillator or the likePHYSIO CONTROL CORP·Filed 1978·Granted Dec 4, 1979·11 cites·1 claims
- 3471US6661881B1Method and system for controlling functional capabilities of a telephonic switch employing control and status messagesLUCENT TECHNOLOGIES INC·Filed 2000·Granted Dec 9, 2003·9 cites·51 claims
- 3571US5825849ALoop-back test system using a suppressed ringing connectionLUCENT TECHNOLOGIES INC·Filed 1995·Granted Oct 20, 1998·56 cites·27 claims
- 3670US6975862B1Wireless telemetering accessLUCENT TECHNOLOGIES INC·Filed 2000·Granted Dec 13, 2005·16 cites·20 claims
- 3769US8630792B2Vehicle fuel cost-per-time displaySMITH DAVID B·Filed 2012·Granted Jan 14, 2014·3 cites·21 claims
- 3869US6813349B2Communication of user data to an automatic call distributor agentLUCENT TECHNOLOGIES INC·Filed 2001·Granted Nov 2, 2004·11 cites·9 claims
- 3967US6671671B1System and method for transmitting data from customer premise equipment sans modulation and demodulationLUCENT TECHNOLOGIES INC·Filed 2000·Granted Dec 30, 2003·14 cites·5 claims
- 4066USD252821SPediatric paddle attachment for defibrillator paddlePHYSIO CONTROL CORP·Filed 1978·Granted Sep 4, 1979·8 cites·1 claims
- 4164US6563916B1System for transmitting a change in call queued/hold state across a communications networkLUCENT TECHNOLOGIES INC·Filed 1999·Granted May 13, 2003·42 cites·28 claims
- 4263US5721765APersonal identification number security system incorporating a time dimensionLUCENT TECHNOLOGIES INC·Filed 1995·Granted Feb 24, 1998·74 cites·18 claims
- 4362US5742667ANotification of toll free call charging statusLUCENT TECHNOLOGIES INC·Filed 1996·Granted Apr 21, 1998·35 cites·11 claims
- 4460US12358136B2Grasping work determination and indications thereofCILAG GMBH INT·Filed 2021·Granted Jul 15, 2025·0 cites·7 claims
- 4559US8060228B2Financial transaction product with connection cableSMITH DAVID B·Filed 2008·Granted Nov 15, 2011·2 cites·21 claims
- 4659US6219415B1Call hold state notification across a communications networkLUCENT TECHNOLOGIES INC·Filed 1998·Granted Apr 17, 2001·35 cites·16 claims
- 4758US10842665B2Triggering the autonomic nervous systemSMITH DAVID·Filed 2019·Granted Nov 24, 2020·0 cites·17 claims
- 4857US6442256B1System and method for establishing a call path through a private networkLUCENT TECHNOLOGIES INC·Filed 1999·Granted Aug 27, 2002·20 cites·20 claims
- 4957US6128376AChange of equal access carrier notificationLUCENT TECHNOLOGIES INC·Filed 1997·Granted Oct 3, 2000·26 cites·11 claims
- 5057US2009001177A1Stored-value vesselTARGET BRANDS INC·Filed 2008·Application pending·0 cites
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →