Inventor · disambiguated record
Douglas M. Nortz
Also filed as: NORTZ DOUGLAS · NORTZ DOUGLAS M
63 granted patents·1 pending application·1,681 citations·filing 1999–2023
99Inventor score
Top patents by PatentIndex Score
64 records- 0197US7492886B1Method for allocating network resourcesAT & T IP II LP·Filed 2007·Granted Feb 17, 2009·55 cites·19 claims
- 0296US6324279B1Method for exchanging signaling messages in two phasesAT & T CORP·Filed 1999·Granted Nov 27, 2001·271 cites·60 claims
- 0395US8762707B2Authorization, authentication and accounting protocols in multicast content distribution networksKILLIAN THOMAS J·Filed 2009·Granted Jun 24, 2014·215 cites·20 claims
- 0495US7305081B1Method for exchanging signaling messages in two phasesAT & T CORP·Filed 2006·Granted Dec 4, 2007·31 cites·32 claims
- 0593US7778240B1Method for performing gate coordination on a per-call basisAT & T IP II LP·Filed 2007·Granted Aug 17, 2010·18 cites·10 claims
- 0691US8776256B2System and method for controlling multicast geographic distributionNGUYEN HAN Q·Filed 2011·Granted Jul 8, 2014·17 cites·19 claims
- 0791US7203294B2System and method for dynamically routing communicationsAT & T CORP·Filed 2002·Granted Apr 10, 2007·84 cites·2 claims
- 0890US6823059B2Method for allocating network resourcesAT & T CORP·Filed 2002·Granted Nov 23, 2004·49 cites·59 claims
- 0989US7742467B1Method for performing segmented resource reservationAT & T IP II LP·Filed 2007·Granted Jun 22, 2010·16 cites·16 claims
- 1088US9979684B2Apparatus and method for managing sharing of contentAT & T IP I LP·Filed 2016·Granted May 22, 2018·5 cites·20 claims
- 1188US9137202B2System and method for dynamically adapting network delivery modes of contentNGUYEN HAN Q·Filed 2011·Granted Sep 15, 2015·6 cites·19 claims
- 1287US6577718B1Method for call forwarding without hairpinning and with split billingAT & T CORP·Filed 1999·Granted Jun 10, 2003·92 cites·15 claims
- 1387US6574335B1Method for simulating a ring back for a call between parties in different communication networksAT & T CORP·Filed 1999·Granted Jun 3, 2003·126 cites·15 claims
- 1486US8249059B2Method for performing gate coordination on a per-call basisKALMANEK CHARLES ROBERT JR·Filed 2010·Granted Aug 21, 2012·6 cites·18 claims
- 1586US6694429B1Method for establishing call state information without maintaining state information at gate controllersAT & T CORP·Filed 1999·Granted Feb 17, 2004·76 cites·71 claims
- 1685US7151772B1Method for performing lawfully-authorized electronic surveillanceAT & T CORP·Filed 1999·Granted Dec 19, 2006·114 cites·10 claims
- 1784US7274662B1Method for performing segmented resource reservationAT & T CORP·Filed 1999·Granted Sep 25, 2007·128 cites·7 claims
- 1883US7466809B2System and method for dynamically routing communicationsAT & T CORP·Filed 2007·Granted Dec 16, 2008·9 cites·20 claims
- 1982US6748070B2Method for allocating network resourcesAT & T CORP·Filed 2002·Granted Jun 8, 2004·24 cites·40 claims
- 2081US10992536B2Method and apparatus to control anycast traffic using a software defined network controllerAT & T IP I LP·Filed 2016·Granted Apr 27, 2021·4 cites·17 claims
- 2181US9516139B2System and method for dynamically adapting network delivery modes of contentAT & T IP I LP·Filed 2015·Granted Dec 6, 2016·2 cites·20 claims
- 2281US9363268B2System and method for controlling multicast geographic distributionAT & T IP I LP·Filed 2014·Granted Jun 7, 2016·2 cites·20 claims
- 2381US7864940B1Method and apparatus for calling name caching in communication networksAT & T IP II LP·Filed 2003·Granted Jan 4, 2011·40 cites·8 claims
- 2481US7206397B1Method for allocating network resourcesAT & T CORP·Filed 2005·Granted Apr 17, 2007·7 cites·50 claims
- 2581US6483912B1Method for allocating network resourcesAT & T CORP·Filed 1999·Granted Nov 19, 2002·86 cites·39 claims
- 2680US11507695B2Trusted system for sharing user data with internet content providersAT & T IP I LP·Filed 2020·Granted Nov 22, 2022·1 cites·20 claims
- 2780US7245610B1Method for performing gate coordination on a per-call basisAT & T CORP·Filed 2004·Granted Jul 17, 2007·15 cites·10 claims
- 2879US6915421B1Method for establishing call state information without maintaining state information at gate controllersAT & T CORP·Filed 2003·Granted Jul 5, 2005·13 cites·71 claims
- 2978US6983040B1Method for call forwarding without hairpinning and with split billingAT & T CORP·Filed 2003·Granted Jan 3, 2006·14 cites·1 claims
- 3077US7289490B1Method for performing gate coordination on a per-call basisAT & T CORP·Filed 2004·Granted Oct 30, 2007·12 cites·6 claims
- 3177US2023188624A1System and method for dynamically adapting network delivery modes of contentAT & T IP I LP·Filed 2023·Application pending·0 cites
- 3276US11601526B2System and method for dynamically adapting network delivery modes of contentAT & T IP I LP·Filed 2022·Granted Mar 7, 2023·0 cites·20 claims
- 3376US7711098B1Method for call forwarding without hairpinning and with split billingAT & T IP II LP·Filed 2005·Granted May 4, 2010·3 cites·2 claims
- 3475US8284911B1Method for call forwarding without hairpinning and with split billingKALMANEK CHARLES ROBERT JR·Filed 2009·Granted Oct 9, 2012·3 cites·2 claims
- 3574US6757290B1Method for performing gate coordination on a per-call basisAT & T CORP·Filed 1999·Granted Jun 29, 2004·45 cites·6 claims
- 3673US9277058B2Methods, systems, and products for voice-over internet protocol callsAT & T IP II LP·Filed 2014·Granted Mar 1, 2016·1 cites·20 claims
- 3773US7292590B1Method and apparatus for handing off control of service access over a cable IP networkAT & T CORP·Filed 2002·Granted Nov 6, 2007·13 cites·23 claims
- 3872US11290567B2System and method for dynamically adapting network delivery modes of contentAT&T INTELLECTUAL PROPERTY L L P·Filed 2021·Granted Mar 29, 2022·0 cites·20 claims
- 3970US8194833B2System and method for dynamically routing communicationsCARNAZZA JAMES M·Filed 2008·Granted Jun 5, 2012·4 cites·20 claims
- 4069US12079373B2Trusted system for sharing user data with internet content providersAT & T IP I LP·Filed 2022·Granted Sep 3, 2024·0 cites·20 claims
- 4169US9112923B1Method for performing lawfully-authorized electronic surveillanceKALMANEK JR CHARLES ROBERT·Filed 2006·Granted Aug 18, 2015·4 cites·6 claims
- 4269US6870845B1Method for providing privacy by network address translationAT & T CORP·Filed 1999·Granted Mar 22, 2005·64 cites·26 claims
- 4367US10944848B2System and method for dynamically adapting network delivery modes of contentAT & T IP I LP·Filed 2019·Granted Mar 9, 2021·0 cites·20 claims
- 4465US10819762B2System and method for delivering content over a multicast networkAT & T IP I LP·Filed 2019·Granted Oct 27, 2020·0 cites·20 claims
- 4565US10237414B2Methods, systems, and products for voice-over internet protocol callsAT & T IP II LP·Filed 2018·Granted Mar 19, 2019·0 cites·20 claims
- 4664US9942411B2Methods, systems, and products for voice-over internet protocol callsAT & T IP II LP·Filed 2017·Granted Apr 10, 2018·0 cites·20 claims
- 4764US8850053B2System and method for providing information to users of a communication networkBASSO ANDREA·Filed 2010·Granted Sep 30, 2014·2 cites·11 claims
- 4863US10356207B2System and method for dynamically adapting network delivery modes of contentAT & T IP I LP·Filed 2016·Granted Jul 16, 2019·0 cites·20 claims
- 4962US8488612B2System and method for method for providing quality-of service in a local loopKRANTZ DAVID·Filed 2005·Granted Jul 16, 2013·1 cites·7 claims
- 5061US9762739B2Methods, systems, and products for voice-over internet protocol callsAT & T IP II LP·Filed 2016·Granted Sep 12, 2017·0 cites·20 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →