Inventor · disambiguated record
David B. Hall
Also filed as: HALL DAVID · HALL DAVID B · HALL DAVID BARNETT · HALL DAVID R
86 granted patents·12 pending applications·1,121 citations·filing 1975–2018
99Inventor score
Files withLITTON SYSTEMS INC32GREGORY A PEARSON INC22NORTHROP GRUMMAN CORP12PEARSON GREGORY A9HALL DAVID B3
Top patents by PatentIndex Score
98 records- 0194US5428700ALaser stabilizationLITTON SYSTEMS INC·Filed 1994·Granted Jun 27, 1995·93 cites·20 claims
- 0292US6346985B1Optical method for the transduction of remote arrays of electromechanical sensorsLITTON SYSTEMS INC·Filed 2000·Granted Feb 12, 2002·45 cites·10 claims
- 0390USD642190SGraphical user interface for a display screen of a computing deviceGREGORY A PEARSON INC·Filed 2010·Granted Jul 26, 2011·49 cites·1 claims
- 0490US7980115B2Self-calibrating laser semiconductor accelerometerNORTHROP GRUMMAN GUIDANCE AND ELECTRONIC CO INC·Filed 2008·Granted Jul 19, 2011·22 cites·7 claims
- 0590US4842358AApparatus and method for optical signal source stabilizationLITTON SYSTEMS INC·Filed 1987·Granted Jun 27, 1989·79 cites·12 claims
- 0688USD648342SGraphical user interface for a display screen of a computing deviceGREGORY A PEARSON INC·Filed 2010·Granted Nov 8, 2011·41 cites·1 claims
- 0788US6496264B1Fiber optic acoustic sensor with specifically selected flexural disksNORTHROP GRUMMAN CORP·Filed 2000·Granted Dec 17, 2002·37 cites·25 claims
- 0886US9152936B2Methods for interactively exchanging graphical objects between networked usersPEARSON GREGORY A·Filed 2011·Granted Oct 6, 2015·5 cites·20 claims
- 0986US4887900APolarization maintaining fiber interferometer and method for source stabilizationLITTON SYSTEMS INC·Filed 1987·Granted Dec 19, 1989·36 cites·28 claims
- 1085USD642187SGraphical user interface for a display screen of a computing deviceGREGORY A PEARSON INC·Filed 2010·Granted Jul 26, 2011·34 cites·1 claims
- 1185US6064630ASensor with an optical interferometric pick-offLITTON SYSTEMS INC·Filed 1998·Granted May 16, 2000·41 cites·30 claims
- 1284US8949379B2Dynamic content delivery systems and methods for providing sameGREGORY A PEARSON INC·Filed 2013·Granted Feb 3, 2015·5 cites·21 claims
- 1382US9420024B2Dynamic content delivery systems and methods for providing sameGREGORY A PEARSON INC·Filed 2015·Granted Aug 16, 2016·3 cites·20 claims
- 1482US8615569B2Dynamic content delivery systems and methods for providing samePEARSON GREGORY A·Filed 2010·Granted Dec 24, 2013·5 cites·14 claims
- 1582US7327462B2Method and apparatus for direct detection of signals from a differential delay heterodyne interferometric systemLITTON SYSTEMS INC·Filed 2005·Granted Feb 5, 2008·12 cites·21 claims
- 1682US6856735B2Tap couplers for fiber optic arraysCHROMUX TECHNOLOGIES INC·Filed 2001·Granted Feb 15, 2005·25 cites·16 claims
- 1782US5929990AFabry-perot pressure sensing system with ratioed quadrature pulse detectionLITTON SYSTEMS INC·Filed 1997·Granted Jul 27, 1999·48 cites·29 claims
- 1880USD642188SGraphical user interface for a display screen of a computing deviceGREGORY A PEARSON INC·Filed 2010·Granted Jul 26, 2011·26 cites·1 claims
- 1978US8782125B2Robust filters for social networking environmentsPEARSON GREGORY A·Filed 2011·Granted Jul 15, 2014·2 cites·19 claims
- 2077US6951437B2Foundation support system and methodHALL DAVID B·Filed 2004·Granted Oct 4, 2005·21 cites·10 claims
- 2177US6384919B1Fiber optic seismic sensorNORTHROP GRUMMAN CORP·Filed 2000·Granted May 7, 2002·25 cites·4 claims
- 2276US9797755B2Damped fiber optic accelerometers, sensors, and sensor assemblies, and methods of assembling the sameAVALON SCIENCES LTD·Filed 2017·Granted Oct 24, 2017·1 cites·3 claims
- 2376US9275247B2Interactive networking systems with user classesPEARSON GREGORY A·Filed 2011·Granted Mar 1, 2016·2 cites·16 claims
- 2476US7863894B2Small optics cell for miniature nuclear magnetic resonance gyroscopeNORTHROP GRUMMAN GUIDANCE AND ELECTRONIC CO INC·Filed 2008·Granted Jan 4, 2011·8 cites·10 claims
- 2575US7339678B2Method and system of using odd harmonics for phase generated carrier homodyneNORTHROP GRUMMAN CORP·Filed 2005·Granted Mar 4, 2008·8 cites·21 claims
- 2674USD642189SGraphical user interface for a display screen of a computing deviceGREGORY A PEARSON INC·Filed 2010·Granted Jul 26, 2011·20 cites·1 claims
- 2772USD642185SGraphical user interface for a display screen of a computing deviceGREGORY A PEARSON INC·Filed 2010·Granted Jul 26, 2011·19 cites·1 claims
- 2872US6600586B1Normalization method for acquiring interferometer phase shift from frequency division multiplexed fiber optic sensor arraysNORTHROP GRUMMAN CORP·Filed 1999·Granted Jul 29, 2003·28 cites·4 claims
- 2972US5917597ANoise suppression apparatus and method for time division multiplexed fiber optic sensor arraysLITTON SYSTEMS INC·Filed 1998·Granted Jun 29, 1999·30 cites·14 claims
- 3071US10075359B2Dynamic content delivery systems and methods for providing sameGREGORY A PEARSON INC·Filed 2016·Granted Sep 11, 2018·1 cites·20 claims
- 3171US9089780B1Systems and methods for game-based modification of communications functionalityGREGORY A PEARSON INC·Filed 2014·Granted Jul 28, 2015·2 cites·20 claims
- 3271US8880447B2Systems and methods for matching people based on perceived activitiesPEARSON HOLLY·Filed 2010·Granted Nov 4, 2014·3 cites·20 claims
- 3370US6072921AMethod of operating a fiber-optic acoustical sensor, apparatus for practicing the method, and in-line fiber-optic polarizer usable in such apparatusLITTON SYSTEMS INC·Filed 1997·Granted Jun 6, 2000·45 cites·18 claims
- 3469US8264692B2Push-pull two wavelength fabry perot sensor for fiber optic acoustic sensor arraysHALL DAVID B·Filed 2009·Granted Sep 11, 2012·5 cites·4 claims
- 3568US10402462B2Robust filters for social networking environmentsGREGORY A PEARSON INC·Filed 2018·Granted Sep 3, 2019·0 cites·16 claims
- 3668US7876644B2Polarizaton diversity for optical fiber applicationsNORTHROP GRUMMAN GUIDANCE & ELECTRONICS CO INC·Filed 2009·Granted Jan 25, 2011·4 cites·6 claims
- 3765US10002331B2Order fulfillment systemsPEARSON GREGORY A·Filed 2009·Granted Jun 19, 2018·0 cites·12 claims
- 3865US6934034B2Sensor array induced phase angle calculation based on mixed signalsNORTHROP GRUMMAN CORP·Filed 2003·Granted Aug 23, 2005·9 cites·22 claims
- 3965US6122057AFour step discrete phase shift demodulation method for fiber optic sensor arraysLITTON SYSTEMS INC·Filed 1999·Granted Sep 19, 2000·23 cites·6 claims
- 4065US2009083115A1Interactive networking systemsPEARSON GREGORY A·Filed 2008·Application pending·0 cites
- 4164US5167444AApparatus and method for optical signal source stabilizationLITTON SYSTEMS INC·Filed 1990·Granted Dec 1, 1992·18 cites·18 claims
- 4264US4012120AGuided wave acousto-optic deviceTRW INC·Filed 1975·Granted Mar 15, 1977·18 cites·9 claims
- 4363US7038785B2Filtered calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrierNORTHROP GRUMMAN CORP·Filed 2003·Granted May 2, 2006·8 cites·32 claims
- 4463US7038784B2Calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrierNORTHROP GRUMMAN CORP·Filed 2003·Granted May 2, 2006·8 cites·37 claims
- 4563US2015058364A1Systems and methods for matching people based on perceived activitiesGREGORY A PEARSON INC·Filed 2014·Application pending·0 cites
- 4662US2018293518A1Order fulfillment systemsGREGORY A PEARSON INC·Filed 2018·Application pending·0 cites
- 4761US6591027B2Bi-stable micro-actuator and optical switchLITTON SYSTEMS INC·Filed 2001·Granted Jul 8, 2003·7 cites·19 claims
- 4860US6154308ATwo step discrete phase shift demodulation method for fiber optic sensor arraysLITTON SYSTEMS INC·Filed 1998·Granted Nov 28, 2000·19 cites·5 claims
- 4960US4119929ANear infrared laser modulatorTRW INC·Filed 1977·Granted Oct 10, 1978·12 cites·5 claims
- 5058US10515371B2Interactive networking systems with user classesGREGORY A PEARSON INC·Filed 2015·Granted Dec 24, 2019·0 cites·7 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →