Inventor · disambiguated record
Patricia A. Landgren
Also filed as: LANDGREN PATRICIA · LANDGREN PATRICIA A · LANDGREN PATRICIA ANN
66 granted patents·1,004 citations·filing 1995–2023
99Inventor score
Files withTANGO NETWORKS INC50SILVER ANDREW10NORTEL NETWORKS LTD2NORTHERN TELECOM LTD2LANDGREN PATRICIA A1
Top patents by PatentIndex Score
66 records- 0199US8271049B2System and method for enabling DTMF detection in a VoIP networkSILVER ANDREW·Filed 2011·Granted Sep 18, 2012·241 cites·28 claims
- 0296US7843901B2Call flow system and method for use in a legacy telecommunication systemTANGO NETWORKS INC·Filed 2006·Granted Nov 30, 2010·25 cites·4 claims
- 0396US6115754ASystem and method for appending location information to a communication sent from a mobile terminal operating in a wireless communication system to an internet serverNORTEL NETWORKS LTD·Filed 1997·Granted Sep 5, 2000·408 cites·36 claims
- 0495US9667667B2Calling line/name identification of enterprise subscribers in mobile callsTANGO NETWORKS INC·Filed 2015·Granted May 30, 2017·10 cites·20 claims
- 0595US7873032B2Call flow system and method use in VoIP telecommunication systemTANGO NETWORKS INC·Filed 2006·Granted Jan 18, 2011·18 cites·24 claims
- 0693US8488598B2Call flow system and method for use in a VoIP telecommunication systemSILVER ANDREW·Filed 2010·Granted Jul 16, 2013·6 cites·26 claims
- 0793US8086254B2System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications networkSILVER ANDREW·Filed 2007·Granted Dec 27, 2011·16 cites·31 claims
- 0893US8023479B2Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networksTANGO NETWORKS INC·Filed 2006·Granted Sep 20, 2011·21 cites·44 claims
- 0993US7903635B2System and method for enabling DTMF detection in a VoIP networkTANGO NETWORKS INC·Filed 2006·Granted Mar 8, 2011·12 cites·28 claims
- 1089US12425814B2Calling line/name identification of enterprise subscribers in mobile callsTANGO NETWORKS INC·Filed 2023·Granted Sep 23, 2025·0 cites·20 claims
- 1189US11849380B2Call flow system and method for use in a VoIP telecommunication systemTANGO NETWORKS INC·Filed 2021·Granted Dec 19, 2023·1 cites·20 claims
- 1289US8433371B2System and method for enabling DTMF detection in a VoIP networkSILVER ANDREW·Filed 2012·Granted Apr 30, 2013·4 cites·28 claims
- 1387US11659471B2System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications networkTANGO NETWORKS INC·Filed 2020·Granted May 23, 2023·1 cites·20 claims
- 1487US5881060AIntegrated cellular voice and digital packet data telecommunications systems and methods for their operationNORTHERN TELECOM LTD·Filed 1996·Granted Mar 9, 1999·159 cites·18 claims
- 1586US8958346B2Calling line/name identification of enterprise subscribers in mobile callsSILVER ANDREW·Filed 2006·Granted Feb 17, 2015·4 cites·12 claims
- 1685US12302422B2Method and apparatus of supporting wireless femtocell communicationsTANGO NETWORKS INC·Filed 2023·Granted May 13, 2025·0 cites·20 claims
- 1785US12219460B2System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications networkTANGO NETWORKS INC·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 1885US12212435B2Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networksTANGO NETWORKS INC·Filed 2023·Granted Jan 28, 2025·0 cites·20 claims
- 1984US12075327B2System and method for executing originating services in a terminating network for IMS and non-IMS applicationsTANGO NETWORKS INC·Filed 2022·Granted Aug 27, 2024·0 cites·20 claims
- 2084US9473540B2Call flow system and method for use in a legacy telecommunication systemTANGO NETWORKS INC·Filed 2015·Granted Oct 18, 2016·2 cites·20 claims
- 2183US11871216B2Call flow system and method for use in a legacy telecommunication systemTANGO NETWORKS INC·Filed 2022·Granted Jan 9, 2024·0 cites·18 claims
- 2282US8929358B2Call flow system and method for use in a legacy telecommunication systemSILVER ANDREW·Filed 2010·Granted Jan 6, 2015·2 cites·14 claims
- 2380US11706825B2Method and apparatus of supporting wireless femtocell communicationsTANGO NETWORKS INC·Filed 2022·Granted Jul 18, 2023·0 cites·17 claims
- 2480US9380506B2System, method, and computer-readable medium for provisioning dual-homed voice call continuityTANGO NETWORKS INC·Filed 2014·Granted Jun 28, 2016·3 cites·22 claims
- 2580US8942664B2System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications networkTANGO NETWORKS INC·Filed 2013·Granted Jan 27, 2015·2 cites·20 claims
- 2679US8634800B2System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications networkTANGO NETWORKS INC·Filed 2013·Granted Jan 21, 2014·2 cites·14 claims
- 2779US8412241B2System, method, and apparatus for using alternative numbers for routing voice calls and short messages in a communications networkSILVER ANDREW·Filed 2011·Granted Apr 2, 2013·2 cites·21 claims
- 2877US11991579B2System, method and computer-readable medium for provisioning dual-homed voice call continuityTANGO NETWORKS INC·Filed 2022·Granted May 21, 2024·0 cites·20 claims
- 2977US10904816B2Call flow system and method for use in a legacy telecommunication systemTANGO NETWORKS INC·Filed 2019·Granted Jan 26, 2021·0 cites·19 claims
- 3077US9215319B2System and method for executing originating services in a terminating network for IMS and non-IMS applicationsSILVER ANDREW·Filed 2006·Granted Dec 15, 2015·2 cites·12 claims
- 3176US12382201B2Implementing intelligent network service functionality in a networkTANGO NETWORKS INC·Filed 2021·Granted Aug 5, 2025·0 cites·20 claims
- 3276US11622311B2Calling line/name identification of enterprise subscribers in mobile callsTANGO NETWORKS INC·Filed 2019·Granted Apr 4, 2023·0 cites·18 claims
- 3376US11412435B2System and method for executing originating services in a terminating network for IMS and non-IMS applicationsTANGO NETWORKS INC·Filed 2020·Granted Aug 9, 2022·0 cites·20 claims
- 3476US10945187B2Call flow system and method for use in a VoIP telecommunication systemTANGO NETWORKS INC·Filed 2019·Granted Mar 9, 2021·0 cites·20 claims
- 3574US10375616B2Call flow system and method for use in a VOIP telecommunication systemTANGO NETWORKS INC·Filed 2018·Granted Aug 6, 2019·0 cites·20 claims
- 3674US9232459B2Method and apparatus of supporting wireless femtocell communicationsTANGO NETWORKS INC·Filed 2014·Granted Jan 5, 2016·1 cites·20 claims
- 3774US8861491B2Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networksSILVER ANDREW·Filed 2011·Granted Oct 14, 2014·2 cites·20 claims
- 3873US10917705B2Implementing intelligent network service functionality in a networkTANGO NETWORKS INC·Filed 2020·Granted Feb 9, 2021·0 cites·20 claims
- 3972US10462726B2Call flow system and method for use in a legacy telecommunication systemTANGO NETWORKS INC·Filed 2018·Granted Oct 29, 2019·0 cites·20 claims
- 4072US10448309B2Calling line/name identification of enterprise subscribers in mobile callsTANGO NETWORKS INC·Filed 2017·Granted Oct 15, 2019·0 cites·20 claims
- 4170US10721784B2Method and apparatus of supporting wireless femtocell communicationsTANGO NETWORKS INC·Filed 2019·Granted Jul 21, 2020·0 cites·20 claims
- 4270US9936435B2Call flow system and method for use in a VoIP telecommunication systemTANGO NETWORKS INC·Filed 2016·Granted Apr 3, 2018·0 cites·19 claims
- 4370US9622078B2Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networksTANGO NETWORKS INC·Filed 2014·Granted Apr 11, 2017·1 cites·20 claims
- 4470US9479543B2Call flow system and method for use in a VoIP telecommunication systemTANGO NETWORKS INC·Filed 2013·Granted Oct 25, 2016·0 cites·16 claims
- 4569US11229069B2Method and apparatus of supporting wireless femtocell communicationsTANGO NETWORKS INC·Filed 2020·Granted Jan 18, 2022·0 cites·17 claims
- 4669US10149224B2Call flow system and method for use in a legacy telecommunication systemTANGO NETWORKS INC·Filed 2017·Granted Dec 4, 2018·0 cites·20 claims
- 4769US9763165B2Call flow system and method for use in a legacy telecommunication systemTANGO NETWORKS INC·Filed 2016·Granted Sep 12, 2017·0 cites·20 claims
- 4866US10555056B2System, method, and computer-readable medium for implementing intelligent network service functionality in a networkTANGO NETWORKS INC·Filed 2018·Granted Feb 4, 2020·0 cites·20 claims
- 4965US10674419B2System and method for executing originating services in a terminating network for IMS and non-IMS applicationsTANGO NETWORKS INC·Filed 2015·Granted Jun 2, 2020·0 cites·17 claims
- 5065US10425978B2Method and apparatus of supporting wireless femtocell communicationsTANGO NETWORKS INC·Filed 2018·Granted Sep 24, 2019·0 cites·20 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →