Inventor · disambiguated record
Barclay J. Tullis
Also filed as: TULLIS BARCLAY J
56 granted patents·2 pending applications·3,906 citations·filing 1977–2015
99Inventor score
Files withHEWLETT PACKARD CO23AGILENT TECHNOLOGIES INC5HEWLETT PACKARD DEVELOPMENT CO5TULLIS BARCLAY J5KONTEK IND INC4
Top patents by PatentIndex Score
58 records- 0198US6535243B1Wireless hand-held digital cameraHEWLETT PACKARD CO·Filed 1998·Granted Mar 18, 2003·331 cites·19 claims
- 0298US5644139ANavigation technique for detecting movement of navigation sensors relative to an objectFiled 1996·Granted Jul 1, 1997·520 cites·25 claims
- 0398US5578813AFreehand image scanning device which compensates for non-linear movementFiled 1995·Granted Nov 26, 1996·483 cites·22 claims
- 0497US7654768B1Massive security barriers having tie-bars in tunnelsKONTEK IND INC·Filed 2006·Granted Feb 2, 2010·39 cites·30 claims
- 0596US9092962B1Diversity networks and methods for secure communicationsMERRILL CHARLES·Filed 2010·Granted Jul 28, 2015·134 cites·27 claims
- 0696US4534389AInterlocking door latch for dockable interface for integrated circuit processingHEWLETT PACKARD CO·Filed 1984·Granted Aug 13, 1985·136 cites·8 claims
- 0796US4532970AParticle-free dockable interface for integrated circuit processingHEWLETT PACKARD CO·Filed 1983·Granted Aug 6, 1985·164 cites·1 claims
- 0895US6291829B1Identification of recording medium in a printerHEWLETT PACKARD CO·Filed 1999·Granted Sep 18, 2001·114 cites·29 claims
- 0995US6246050B1Optical encoders using non-patterned targetsHEWLETT PACKARD CO·Filed 1999·Granted Jun 12, 2001·152 cites·10 claims
- 1095US5825044AFreehand image scanning device which compensates for non-linear color movementHEWLETT PACKARD CO·Filed 1997·Granted Oct 20, 1998·165 cites·20 claims
- 1194US8384542B1Autonomous and federated sensory subsystems and networks for security systemsKONTEK IND INC·Filed 2010·Granted Feb 26, 2013·51 cites·24 claims
- 1293US9743013B1Security systems having evasive sensorsMERRILL CHARLES·Filed 2015·Granted Aug 22, 2017·12 cites·20 claims
- 1392US6472887B1Capacitive sensor for sensing the amount of material in a containerHEWLETT PACKARD CO·Filed 2000·Granted Oct 29, 2002·48 cites·5 claims
- 1492US6362573B1Apparatus and method for monitoring the life of arc lamp bulbsHEWLETT PACKARD CO·Filed 2000·Granted Mar 26, 2002·64 cites·22 claims
- 1592US5686720AMethod and device for achieving high contrast surface illuminationHEWLETT PACKARD CO·Filed 1996·Granted Nov 11, 1997·159 cites·23 claims
- 1691US6516131B1Structures and methods for aligning fibersFiled 2001·Granted Feb 4, 2003·49 cites·35 claims
- 1791US6118132ASystem for measuring the velocity, displacement and strain on a moving surface or web of materialAGILENT TECHNOLOGIES INC·Filed 1998·Granted Sep 12, 2000·89 cites·45 claims
- 1891US5987269AToner quantity measuring technique in an electrophotographic printerHEWLETT PACKARD CO·Filed 1998·Granted Nov 16, 1999·55 cites·30 claims
- 1990US8674831B1Security systems with adaptive subsystems networked through barrier modules and armored building modulesMERRILL CHARLES·Filed 2010·Granted Mar 18, 2014·23 cites·20 claims
- 2090US6563101B1Non-rectilinear sensor arrays for tracking an imageFiled 2000·Granted May 13, 2003·87 cites·21 claims
- 2189US4274783AChain measuring and conveyor control systemFMC CORP·Filed 1978·Granted Jun 23, 1981·44 cites·11 claims
- 2287US8471700B1Global positioning systems and methods for asset and infrastructure protectionMERRILL CHARLES·Filed 2010·Granted Jun 25, 2013·15 cites·20 claims
- 2387US6517180B2Dot sensing, color sensing and media sensing by a printer for quality controlHEWLETT PACKARD CO·Filed 2001·Granted Feb 11, 2003·30 cites·28 claims
- 2487US6102552ALaser-array based digital illuminatorHEWLETT PACKARD CO·Filed 1996·Granted Aug 15, 2000·77 cites·26 claims
- 2586US6838687B2Identification of recording mediaHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jan 4, 2005·28 cites·26 claims
- 2686US6535685B1Arcuate fiber routing using stepped groovesFiled 2001·Granted Mar 18, 2003·32 cites·20 claims
- 2785US9000918B1Security barriers with automated reconnaissanceMCLAUGHLIN JAMES O·Filed 2013·Granted Apr 7, 2015·30 cites·21 claims
- 2885US7285035B1Collision obstacles and sensors for determining the outcome of a raceTULLIS BARCLAY J·Filed 2003·Granted Oct 23, 2007·29 cites·12 claims
- 2985US6246067B1System for measuring the tilt of an objectAGILENT TECHNOLOGIES INC·Filed 2000·Granted Jun 12, 2001·21 cites·28 claims
- 3085US5140537AModeling a factory with human operators and validating the modelHEWLETT PACKARD CO·Filed 1990·Granted Aug 18, 1992·67 cites·15 claims
- 3185US4408195ABoundary plane warning systemFMC CORP·Filed 1981·Granted Oct 4, 1983·35 cites·19 claims
- 3282US7866812B1Optical inserts for goggles or facemasksTULLIS BARCLAY J·Filed 2008·Granted Jan 11, 2011·19 cites·21 claims
- 3382US7144187B1Cabled massive security barrierKONTEK IND INC·Filed 2004·Granted Dec 5, 2006·25 cites·21 claims
- 3481US4705444AApparatus for automated cassette handlingHEWLETT PACKARD CO·Filed 1985·Granted Nov 10, 1987·56 cites·14 claims
- 3581US4616683AParticle-free dockable interface for integrated circuit processingHEWLETT PACKARD CO·Filed 1985·Granted Oct 14, 1986·59 cites·4 claims
- 3680US6188058B1System for taking displacement measurements having photosensors with imaged pattern arrangementAGILENT TECHNOLOGIES INC·Filed 1998·Granted Feb 13, 2001·31 cites·14 claims
- 3779US8152408B1Method of protection with massive security barriers having tie-bars in tunnelsTULLIS BARCLAY J·Filed 2011·Granted Apr 10, 2012·6 cites·20 claims
- 3878US6222174B1Method of correlating immediately acquired and previously stored feature information for motion sensingHEWLETT PACKARD CO·Filed 1999·Granted Apr 24, 2001·120 cites·22 claims
- 3977US6552698B1Immersive display systemAGILENT TECHNOLOGIES INC·Filed 2000·Granted Apr 22, 2003·16 cites·12 claims
- 4076US7256820B2Wireless hand-held digital cameraHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Aug 14, 2007·12 cites·20 claims
- 4174US6625561B1Method and apparatus for media height sensingHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Sep 23, 2003·12 cites·33 claims
- 4274US5004340ACalibration target for surface analysis scanner systemsHEWLETT PACKARD CO·Filed 1988·Granted Apr 2, 1991·42 cites·11 claims
- 4373US7946786B1Segmented massive security barriers having tie-bars in tunnelsKONTEK IND INC·Filed 2009·Granted May 24, 2011·6 cites·20 claims
- 4473US6703633B2Method and apparatus for authenticating a signatureHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Mar 9, 2004·28 cites·31 claims
- 4573US6259111B1System for tracking movement of an objectAGILENT TECHNOLOGIES INC·Filed 2000·Granted Jul 10, 2001·11 cites·12 claims
- 4670US4875825AMethod for automated cassette handlingHEWLETT PACKARD CO·Filed 1987·Granted Oct 24, 1989·39 cites·6 claims
- 4769US6249591B1Method and apparatus for control of robotic grip or for activating contrast-based navigationHEWLETT PACKARD CO·Filed 1997·Granted Jun 19, 2001·57 cites·19 claims
- 4860US8061930B1Method of protection with massive security barriers having tie-bars in tunnelsTULLIS BARCLAY J·Filed 2009·Granted Nov 22, 2011·1 cites·12 claims
- 4960US5144524ALight trap for blocking reflection and scattering of lightHEWLETT PACKARD CO·Filed 1991·Granted Sep 1, 1992·31 cites·14 claims
- 5059US4198758AChain measuring and conveyor control systemFMC CORP·Filed 1977·Granted Apr 22, 1980·13 cites·17 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →