Inventor · disambiguated record
William G. O'Brien
Also filed as: O'BRIEN WILLIAM · O'BRIEN WILLIAM G · O'BRIEN WILLIAM GEORGE
42 granted patents·10 pending applications·2,724 citations·filing 1979–2025
98Inventor score
Top patents by PatentIndex Score
52 records- 0196US6416471B1Portable remote patient telemonitoring systemNEXAN LTD·Filed 1999·Granted Jul 9, 2002·2k cites·90 claims
- 0295US4445458ABeveled edge metered bead extrusion coating apparatusDU PONT·Filed 1982·Granted May 1, 1984·48 cites·7 claims
- 0393US7930412B2System and method for secure accessBCE INC·Filed 2003·Granted Apr 19, 2011·75 cites·20 claims
- 0493US7246744B2User authentication for contact-less systemsBCE INC·Filed 2005·Granted Jul 24, 2007·56 cites·49 claims
- 0589US5631066AProcess for making metalized films and films produced therefromCHRONOPOL INC·Filed 1995·Granted May 20, 1997·79 cites·12 claims
- 0688US5521278AIntegrated process for the manufacture of lactideECOLOGICAL CHEMICAL PRODUCTS·Filed 1994·Granted May 28, 1996·83 cites·23 claims
- 0785US9755825B2Device authentication and secure channel management for peer-to-peer initiated communicationsO'BRIEN WILLIAM G·Filed 2007·Granted Sep 5, 2017·16 cites·7 claims
- 0885US5881132AMethod and apparatus for monitoring selected telecommunications sessions in an intelligent switched telephone networkBELL CANADA·Filed 1997·Granted Mar 9, 1999·97 cites·17 claims
- 0984US7774602B2Secure modem gateway concentratorBCE INC·Filed 2005·Granted Aug 10, 2010·11 cites·27 claims
- 1083US7904952B2System and method for access controlBCE INC·Filed 2004·Granted Mar 8, 2011·36 cites·74 claims
- 1183US7806325B2Contact-less tag with signature, and applications thereofBCE INC·Filed 2008·Granted Oct 5, 2010·5 cites·57 claims
- 1281US8412638B2Method and system for validating a device that uses a dynamic identifierYEAP TET HIN·Filed 2008·Granted Apr 2, 2013·4 cites·39 claims
- 1381US6310218B1Melt crystallization purification of lactidesDU PONT·Filed 1994·Granted Oct 30, 2001·31 cites·22 claims
- 1481US6252000B1Highly fluorinated ion exchange/nonfunctional polymer blendsDU PONT·Filed 2000·Granted Jun 26, 2001·19 cites·7 claims
- 1579US8103872B2Contact-less tag with signature, and applications thereofO'BRIEN WILLIAM G·Filed 2008·Granted Jan 24, 2012·4 cites·16 claims
- 1679US6967038B2Production of catalyst coated membranesE I DU PONT DEMOURS AND COMPAN·Filed 2001·Granted Nov 22, 2005·21 cites·10 claims
- 1776US7316794B2Continuous production of catalyst coated membranesDU PONT·Filed 2002·Granted Jan 8, 2008·16 cites·20 claims
- 1875US9037859B2Processing of communication device signatures for use in securing nomadic electronic transactionsBCE INC·Filed 2013·Granted May 19, 2015·3 cites·23 claims
- 1974US8553888B2Generation of communication device signatures for use in securing nomadic electronic transactionsYEAP TET HIN·Filed 2009·Granted Oct 8, 2013·1 cites·33 claims
- 2073US10726385B2Contact-less tag with signature, and applications thereofBCE INC·Filed 2014·Granted Jul 28, 2020·0 cites·17 claims
- 2171US8812859B2Method, system and apparatus for accessing a resource based on data supplied by a local userYEAP TET HIN·Filed 2008·Granted Aug 19, 2014·4 cites·82 claims
- 2270US9930020B2Validation method and system for use in securing nomadic electronic transactionsBCE INC·Filed 2017·Granted Mar 27, 2018·1 cites·12 claims
- 2370US6248823B1Solvents for amorphous fluoropolymersDU PONT·Filed 1999·Granted Jun 19, 2001·25 cites·8 claims
- 2470US6111946AMethod and system for providing answer supervision in a switched telephone networkBELL CANADA·Filed 1998·Granted Aug 29, 2000·36 cites·38 claims
- 2569US9971986B2Method and system for validating a device that uses a dynamic identifierBCE INC·Filed 2013·Granted May 15, 2018·0 cites·35 claims
- 2669US8762726B2System and method for secure accessYEAP TET HIN·Filed 2011·Granted Jun 24, 2014·2 cites·12 claims
- 2768US7861081B2Security system and methodBCE INC·Filed 2004·Granted Dec 28, 2010·15 cites·34 claims
- 2867US9305282B2Contact-less tag with signature, and applications thereofO'BRIEN WILLIAM G·Filed 2008·Granted Apr 5, 2016·0 cites·24 claims
- 2967US7659329B2Removing fluorosurfactant from aqueous fluoropolymer dispersions using monodisperse ion exchange resinDU PONT·Filed 2005·Granted Feb 9, 2010·1 cites·14 claims
- 3067US6294612B1Highly fluorinated ion exchange/nonfunctional polymer blendsDU PONT·Filed 1999·Granted Sep 25, 2001·26 cites·12 claims
- 3165US6456701B1Network-centric control of access to transceiversBELL CANADA·Filed 2000·Granted Sep 24, 2002·6 cites·56 claims
- 3263US2008250955A1Fluoropolymer Film Made by PrintingDU PONT·Filed 2008·Application pending·0 cites
- 3362US7660575B2Adapter for secure VoIP communicationsBCE INC·Filed 2004·Granted Feb 9, 2010·7 cites·59 claims
- 3461US2010320269A1Contact-less tag with signature, and applications thereofO'BRIEN WILLIAM G·Filed 2010·Application pending·0 cites
- 3558US4259055ACoating apparatusDU PONT·Filed 1979·Granted Mar 31, 1981·12 cites·4 claims
- 3655US9231928B2Validation method and system for use in securing nomadic electronic transactionsYEAP TET HIN·Filed 2008·Granted Jan 5, 2016·0 cites·29 claims
- 3755US2008269409A1Composite Membranes of High HomogeneityDU PONT·Filed 2008·Application pending·0 cites
- 3853US9635002B2Validation method and system for use in securing nomadic electronic transactionsBCE INC·Filed 2015·Granted Apr 25, 2017·0 cites·14 claims
- 3952US7648660B2Continuous coating process for composite membranesDU PONT·Filed 2006·Granted Jan 19, 2010·0 cites·22 claims
- 4052US5858066AProcess for separating and recovering fluorocarbons and HCI from gaseous mixtures thereofDU PONT·Filed 1997·Granted Jan 12, 1999·18 cites·12 claims
- 4152US2012102322A1Processing of communication device signatures for use in securing nomadic electronic transactionsO'BRIEN WILLIAM G·Filed 2008·Application pending·0 cites
- 4249US9454657B2Security access device and methodYEAP TET HIN·Filed 2004·Granted Sep 27, 2016·1 cites·2 claims
- 4349US2006134323A1Fluoropolymer film made by printingO'BRIEN WILLIAM G·Filed 2005·Application pending·0 cites
- 4449US2025155205A1Heat transfer enhancement using parametric electrostatic forcingUNIV FLORIDA·Filed 2025·Application pending·0 cites
- 4549US2006051568A1Composite membranes of high homogeneityO'BRIEN WILLIAM G·Filed 2005·Application pending·0 cites
- 4647US2005050333A1System and method for secure broadcastBCE INC·Filed 2004·Application pending·0 cites
- 4744US2008044032A1Method and system for providing personalized service mobilityBCE INC·Filed 2006·Application pending·0 cites
- 4843US8404337B2Diffuse reflector, diffuse reflective article, optical display, and method for producing a diffuse reflectorO'BRIEN WILLIAM GEORGE·Filed 2007·Granted Mar 26, 2013·0 cites·20 claims
- 4939US8312279B2Secure modem gateway concentratorO'BRIEN WILLIAM G·Filed 2010·Granted Nov 13, 2012·0 cites·19 claims
- 5037US2008080055A1Diffuse reflector comprising nonwoven sheet with binder layer comprising binder and scatterer of visible lightLIGHTFOOT EDWIN JAMES·Filed 2007·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →