Inventor · disambiguated record
Douglas C. Smith
Also filed as: SMITH DOUGLAS C · SMITH DOUGLAS CHARLES
27 granted patents·4 pending applications·1,940 citations·filing 1975–2022
97Inventor score
Files withBELL TELEPHONE LABOR INC5HONEYWELL INT INC5AT & T BELL LAB4AMERICAN TELEPHONE & TELEGRAPH3UNIV SOUTHERN ILLINOIS3
Top patents by PatentIndex Score
31 records- 0196US6339725B1Methods of modulating aspects of brain neural plasticity by vagus nerve stimulationUNIV SOUTHERN ILLINOIS·Filed 2000·Granted Jan 15, 2002·443 cites·14 claims
- 0295US6556868B2Methods for improving learning or memory by vagus nerve stimulationUNIV SOUTHERN ILLINOIS·Filed 2002·Granted Apr 29, 2003·340 cites·17 claims
- 0394US6104956AMethods of treating traumatic brain injury by vagus nerve stimulationUNIV SOUTHERN ILLINOIS·Filed 1997·Granted Aug 15, 2000·448 cites·24 claims
- 0494US5338406ADry strength additive for paperHERCULES INC·Filed 1992·Granted Aug 16, 1994·129 cites·23 claims
- 0592US6732676B1Integrated animal crate and grooming tableFiled 2003·Granted May 11, 2004·40 cites·18 claims
- 0690US4978907AApparatus and method for expanding the frequency range over which electrical signal amplitudes can be accurately measuredAT & T BELL LAB·Filed 1989·Granted Dec 18, 1990·60 cites·10 claims
- 0787US5184115ATouch-screen arrangementAT & T BELL LAB·Filed 1990·Granted Feb 2, 1993·165 cites·30 claims
- 0882US4004103APath-finding scheme for a multistage switching networkBELL TELEPHONE LABOR INC·Filed 1975·Granted Jan 18, 1977·20 cites·10 claims
- 0978US6228217B1Strength of paper made from pulp containing surface active, carboxyl compoundsHERCULES INC·Filed 1995·Granted May 8, 2001·52 cites·46 claims
- 1077US4132863AAutomatic gain and return loss compensating line circuitBELL TELEPHONE LABOR INC·Filed 1977·Granted Jan 2, 1979·17 cites·21 claims
- 1174US3991279AMonobus interface circuitBELL TELEPHONE LABOR INC·Filed 1975·Granted Nov 9, 1976·13 cites·15 claims
- 1271US7701161B2Motor balanced active user interface assemblyHONEYWELL INT INC·Filed 2007·Granted Apr 20, 2010·11 cites·20 claims
- 1371US4751607ACommunication line transient protectionAMERICAN TELEPHONE & TELEGRAPH·Filed 1986·Granted Jun 14, 1988·36 cites·21 claims
- 1468US4045615AMonobus interface circuit using opto-coupled hybridsBELL TELEPHONE LABOR INC·Filed 1976·Granted Aug 30, 1977·13 cites·4 claims
- 1567US6814539B2High energy particle arrestor for air turbine startersHONEYWELL INT INC·Filed 2002·Granted Nov 9, 2004·18 cites·16 claims
- 1667US4475191ADistributed time division multiplexing busAT & T BELL LAB·Filed 1982·Granted Oct 2, 1984·26 cites·9 claims
- 1765US6533541B1High energy particle arrestor for air turbine startersHONEYWELL INT INC·Filed 2001·Granted Mar 18, 2003·20 cites·34 claims
- 1865US5119075AScheme for determining position of surface contact of cathode ray tube screenAT & T BELL LAB·Filed 1990·Granted Jun 2, 1992·23 cites·34 claims
- 1953US2021241972A1Configurations for shielding electric field emissions from a transmitter coilINTUITIVE SURGICAL OPERATIONS·Filed 2021·Application pending·0 cites
- 2049US5717558AElectrostatic discharge protection for an electrical deviceLUCENT TECHNOLOGIES INC·Filed 1995·Granted Feb 10, 1998·23 cites·37 claims
- 2149US5185498ACircuit assembly encapsulated with polybutadiene urethaneDELCO ELECTRONICS CORP·Filed 1991·Granted Feb 9, 1993·15 cites·4 claims
- 2245USD390185SThermal liner for interior of vanSMITH DOUGLAS C·Filed 1996·Granted Feb 3, 1998·6 cites·1 claims
- 2344US4554412AResistive line circuitAT & T INFORMATION SYSTEMS INC·Filed 1984·Granted Nov 19, 1985·6 cites·12 claims
- 2444US2023123504A1Systems and methods for controlled cleaning of vehiclesPAOLOZZI INVEST INC·Filed 2022·Application pending·0 cites
- 2544US2011148666A1User interface passive haptic feedback systemHONEYWELL INT INC·Filed 2007·Application pending·0 cites
- 2641US4736415AResistive line feed circuitAMERICAN TELEPHONE & TELEGRAPH·Filed 1985·Granted Apr 5, 1988·6 cites·8 claims
- 2741US2007241297A1Guided pneumatic second stage switching valveHONEYWELL INT INC·Filed 2006·Application pending·0 cites
- 2837US4879507ANoise measurement probeAMERICAN TELEPHONE & TELEGRAPH·Filed 1988·Granted Nov 7, 1989·5 cites·14 claims
- 2935US3991281AKey telephone monobus conference arrangementBELL TELEPHONE LABOR INC·Filed 1975·Granted Nov 9, 1976·2 cites·4 claims
- 3032US8934480B2Enriching traffic data in a telephone networkVERIZON PATENT & LICENSING INC·Filed 2013·Granted Jan 13, 2015·0 cites·14 claims
- 3126US5646813AMethod and apparatus for reducing ESD during thermal shock testingLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jul 8, 1997·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →