Inventor · disambiguated record
David Massengill
Also filed as: MASSENGILL DAVID · MASSENGILL DAVID E
55 granted patents·3 pending applications·1,522 citations·filing 2001–2015
99Inventor score
Files withAT & T IP I LP31BELLSOUTH INTELLECT PTY CORP10TAYLOR WILLIAM10AT & T BLS INTELLECTUAL PROPER3AT & T DELAWARE INTELLECT PROP2
Top patents by PatentIndex Score
58 records- 0199US7978627B2Systems and methods to monitor communications to identify a communications problemAT & T IP I LP·Filed 2009·Granted Jul 12, 2011·229 cites·14 claims
- 0299US7376223B2Method and system for connecting a subscriber to an advertiser prior to call completionAT & T DELAWARE INTELLECT PROP·Filed 2007·Granted May 20, 2008·234 cites·20 claims
- 0394US8509058B2Methods and systems for automatically rerouting logical circuit data from a logical circuit failure to a dedicated backup circuit in a data networkAT & T IP I LP·Filed 2012·Granted Aug 13, 2013·18 cites·20 claims
- 0494US8031620B2Method and system for real time simultaneous monitoring of logical circuits in a data networkAT & T IP I LP·Filed 2009·Granted Oct 4, 2011·30 cites·21 claims
- 0594US8031588B2Methods and systems for automatically renaming logical Circuit identifiers for rerouted logical circuits in a data networkAT & T IP I LP·Filed 2009·Granted Oct 4, 2011·30 cites·20 claims
- 0693US8565074B2Methods and systems for automatically tracking the rerouting of logical circuit data in a data networkAT & T IP I LP·Filed 2012·Granted Oct 22, 2013·13 cites·24 claims
- 0793US8547831B2Methods and systems for automatically rerouting logical circuit dataAT & T IP I LP·Filed 2012·Granted Oct 1, 2013·13 cites·20 claims
- 0893US8509118B2Methods and systems for provisioning logical circuits for intermittent use in a data networkAT & T IP I LP·Filed 2012·Granted Aug 13, 2013·16 cites·20 claims
- 0993US8339938B2Method and system for automatically tracking the rerouting of logical circuit data in a data networkTAYLOR WILLIAM·Filed 2008·Granted Dec 25, 2012·21 cites·24 claims
- 1092US8547830B2Methods and systems to reroute data in a data networkTAYLOR WILLIAM·Filed 2012·Granted Oct 1, 2013·14 cites·20 claims
- 1192US8345543B2Methods and systems for automatically rerouting logical circuit dataAT & T IP I LP·Filed 2009·Granted Jan 1, 2013·19 cites·20 claims
- 1292US8345537B2Methods and systems for automatically rerouting logical circuit data from a logical circuit failure to a dedicated backup circuit in a data networkAT & T IP I LP·Filed 2008·Granted Jan 1, 2013·19 cites·20 claims
- 1392US8243592B2Methods and systems for automatically rerouting data in a data networkTAYLOR WILLIAM·Filed 2009·Granted Aug 14, 2012·25 cites·19 claims
- 1490US8730795B2Methods and systems for automatically rerouting logical circuit dataAT & T IP I LP·Filed 2013·Granted May 20, 2014·9 cites·20 claims
- 1590US8670348B2Methods and systems for provisioning logical circuits for intermittent use in a data networkAT & T IP I LP·Filed 2013·Granted Mar 11, 2014·10 cites·20 claims
- 1690US8665705B2Methods and systems for automatically rerouting logical circuit data from a logical circuit failure to a dedicated backup circuit in a data networkAT & T IP I LP·Filed 2013·Granted Mar 4, 2014·10 cites·20 claims
- 1790US7209452B2Method and system for retrieving link management interface status for a logical portBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Apr 24, 2007·61 cites·20 claims
- 1890US7200148B1System and method for analyzing asynchronous transfer mode communicationsBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Apr 3, 2007·63 cites·10 claims
- 1989US8737196B2Methods and systems for automatically tracking the rerouting of logical circuit data in a data networkAT & T IP I LP·Filed 2013·Granted May 27, 2014·7 cites·20 claims
- 2089US7639606B2Method and system for automatically rerouting logical circuit data in a virtual private networkAT & T IP I LP·Filed 2003·Granted Dec 29, 2009·41 cites·26 claims
- 2189US7460468B2Method and system for automatically tracking the rerouting of logical circuit data in a data networkAT & T IP I LP·Filed 2004·Granted Dec 2, 2008·42 cites·26 claims
- 2288US7466646B2Method and system for automatically rerouting logical circuit data from a logical circuit failure to dedicated backup circuit in a data networkAT & T IP I LP·Filed 2004·Granted Dec 16, 2008·42 cites·17 claims
- 2388US7350099B2Method and system for utilizing a logical failover circuit for rerouting data between data networksAT & T BLS INTELLECTUAL PROPER·Filed 2003·Granted Mar 25, 2008·59 cites·24 claims
- 2486US8750102B2Methods and systems for automatically rerouting logical circuit data in a data networkTAYLOR WILLIAM·Filed 2012·Granted Jun 10, 2014·7 cites·20 claims
- 2586US7646707B2Method and system for automatically renaming logical circuit identifiers for rerouted logical circuits in a data networkAT & T IP I LP·Filed 2003·Granted Jan 12, 2010·43 cites·24 claims
- 2686US7275192B2Method and system for on demand selective rerouting of logical circuit data in a data networkAT & T BLS INTELLECTUAL PROPER·Filed 2004·Granted Sep 25, 2007·47 cites·27 claims
- 2785US8711679B2Methods and systems for automatically identifying a logical circuit failure in a data networkTAYLOR WILLIAM·Filed 2012·Granted Apr 29, 2014·7 cites·20 claims
- 2885US8199638B2Method and system for automatically rerouting logical circuit data in a data networkTAYLOR WILLIAM·Filed 2003·Granted Jun 12, 2012·36 cites·25 claims
- 2985US7136470B1Ad ringerBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Nov 14, 2006·29 cites·18 claims
- 3083US8937856B2Methods and systems to reroute data in a data networkAT & T IP I LP·Filed 2013·Granted Jan 20, 2015·5 cites·20 claims
- 3183US7639623B2Method and system for real time simultaneous monitoring of logical circuits in a data networkAT & T IP I LP·Filed 2003·Granted Dec 29, 2009·33 cites·22 claims
- 3283US7630302B2Method and system for providing a failover circuit for rerouting logical circuit data in a data networkAT & T IP I LP·Filed 2003·Granted Dec 8, 2009·34 cites·23 claims
- 3383US7609623B2Method and system for automatically rerouting data from an overbalanced logical circuit in a data networkAT & T IP I LP·Filed 2003·Granted Oct 27, 2009·33 cites·27 claims
- 3483US7292683B2Ad ringerAT & T BLS INTELLECTUAL PROPER·Filed 2005·Granted Nov 6, 2007·7 cites·20 claims
- 3581US8953435B2Methods and systems for automatically tracking the rerouting of logical circuit data in a data networkAT & T IP I LP·Filed 2014·Granted Feb 10, 2015·3 cites·20 claims
- 3681US8339988B2Method and system for provisioning logical circuits for intermittent use in a data networkTAYLOR WILLIAM·Filed 2004·Granted Dec 25, 2012·23 cites·27 claims
- 3781US8223632B2Method and system for prioritized rerouting of logical circuit data in a data networkTAYLOR WILLIAM·Filed 2003·Granted Jul 17, 2012·25 cites·33 claims
- 3881US8203933B2Method and system for automatically identifying a logical circuit failure in a data networkTAYLOR WILLIAM·Filed 2003·Granted Jun 19, 2012·29 cites·28 claims
- 3981US7768904B2Method and system for fail-safe renaming of logical circuit identifiers for rerouted logical circuits in a data networkAT & T IP I LP·Filed 2004·Granted Aug 3, 2010·33 cites·22 claims
- 4079US7184529B1Method and system for connecting a subscriber to an advertiser prior to call completionBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Feb 27, 2007·20 cites·16 claims
- 4178US8953495B2Methods and systems for provisioning logical circuits for intermittent use in a data networkAT & T IP I LP·Filed 2014·Granted Feb 10, 2015·3 cites·18 claims
- 4277US8942086B2Methods and systems for automatically rerouting logical circuit data in a data networkAT & T IP I LP·Filed 2014·Granted Jan 27, 2015·3 cites·20 claims
- 4377US7391739B1System and method for creating a frame relay port mirrorAT & T DELAWARE INTELLECT PROP·Filed 2002·Granted Jun 24, 2008·23 cites·16 claims
- 4476US9059900B2Methods and systems for automatically rerouting logical circuit dataAT & T IP I LP·Filed 2014·Granted Jun 16, 2015·2 cites·20 claims
- 4573US7813338B2System and method for analyzing asynchronous transfer mode communicationsAT & T IP I LP·Filed 2007·Granted Oct 12, 2010·4 cites·14 claims
- 4671US9148365B2Methods and systems for automatically tracking the rerouting of logical circuit data in a data networkAT & T IP I LP·Filed 2014·Granted Sep 29, 2015·1 cites·20 claims
- 4767US7636320B1System and method for creating an asynchronous transfer mode port mirrorAT & T IP I LP·Filed 2002·Granted Dec 22, 2009·9 cites·22 claims
- 4865US7187653B2Method and system for performing a logical loopback testBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Mar 6, 2007·9 cites·21 claims
- 4965US7180865B1System and method for analyzing frame relay communicationsBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Feb 20, 2007·9 cites·11 claims
- 5064US7184414B2Method and system for obtaining a network mapBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Feb 27, 2007·8 cites·15 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when David Massengill files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →