Inventor
NORTZ DOUGLAS M
US61 patents
⚠️ This page may combine multiple inventors who share the name “NORTZ DOUGLAS M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
21 patentsUS7274662B1Sep 25, 2007
Method for performing segmented resource reservation
AT & T CORP128 citations99
US6324279B1Nov 27, 2001
Method for exchanging signaling messages in two phases
AT & T CORP271 citations99
US7151772B1Dec 19, 2006
Method for performing lawfully-authorized electronic surveillance
AT & T CORP114 citations98
US6694429B1Feb 17, 2004
Method for establishing call state information without maintaining state information at gate controllers
AT & T CORP76 citations98
US6577718B1Jun 10, 2003
Method for call forwarding without hairpinning and with split billing
AT & T CORP92 citations98
US6574335B1Jun 3, 2003
Method for simulating a ring back for a call between parties in different communication networks
AT & T CORP126 citations98
US6483912B1Nov 19, 2002
Method for allocating network resources
AT & T CORP86 citations98
US6870845B1Mar 22, 2005
Method for providing privacy by network address translation
AT & T CORP64 citations96
US6823059B2Nov 23, 2004
Method for allocating network resources
AT & T CORP49 citations96
US6757290B1Jun 29, 2004
Method for performing gate coordination on a per-call basis
AT & T CORP45 citations96
US7203294B2Apr 10, 2007
System and method for dynamically routing communications
AT & T CORP84 citations95
US7305081B1Dec 4, 2007
Method for exchanging signaling messages in two phases
AT & T CORP31 citations93
US7289490B1Oct 30, 2007
Method for performing gate coordination on a per-call basis
AT & T CORP12 citations93
US7245610B1Jul 17, 2007
Method for performing gate coordination on a per-call basis
AT & T CORP15 citations93
US6983040B1Jan 3, 2006
Method for call forwarding without hairpinning and with split billing
AT & T CORP14 citations93
US6748070B2Jun 8, 2004
Method for allocating network resources
AT & T CORP24 citations93
US6915421B1Jul 5, 2005
Method for establishing call state information without maintaining state information at gate controllers
AT & T CORP13 citations84
US7292590B1Nov 6, 2007
Method and apparatus for handing off control of service access over a cable IP network
AT & T CORP13 citations83
US7466809B2Dec 16, 2008
System and method for dynamically routing communications
AT & T CORP9 citations81
US7206397B1Apr 17, 2007
Method for allocating network resources
AT & T CORP7 citations74
US7027581B1Apr 11, 2006
Method for exchanging signaling messages in two phases
AT & T CORP3 citations63
AT & T IP I LP
13 patentsUS9979684B2May 22, 2018
Apparatus and method for managing sharing of content
AT & T IP I LP5 citations82
US10992536B2Apr 27, 2021
Method and apparatus to control anycast traffic using a software defined network controller
AT & T IP I LP4 citations69
US9516139B2Dec 6, 2016
System and method for dynamically adapting network delivery modes of content
AT & T IP I LP2 citations63
US9363268B2Jun 7, 2016
System and method for controlling multicast geographic distribution
AT & T IP I LP2 citations63
US12079373B2Sep 3, 2024
Trusted system for sharing user data with internet content providers
AT & T IP I LP0 citations62
US11601526B2Mar 7, 2023
System and method for dynamically adapting network delivery modes of content
AT & T IP I LP0 citations62
US11507695B2Nov 22, 2022
Trusted system for sharing user data with internet content providers
AT & T IP I LP1 citations62
US10944848B2Mar 9, 2021
System and method for dynamically adapting network delivery modes of content
AT & T IP I LP0 citations62
US11019013B2May 25, 2021
Apparatus and method for managing sharing of content
AT & T IP I LP0 citations60
US10735214B2Aug 4, 2020
System and method for controlling multicast geographic distribution
AT & T IP I LP0 citations52
US10356207B2Jul 16, 2019
System and method for dynamically adapting network delivery modes of content
AT & T IP I LP0 citations52
US10027497B2Jul 17, 2018
System and method for controlling multicast geographic distribution
AT & T IP I LP0 citations52
US10819762B2Oct 27, 2020
System and method for delivering content over a multicast network
AT & T IP I LP0 citations51
AT & T IP II LP
9 patentsUS7492886B1Feb 17, 2009
Method for allocating network resources
AT & T IP II LP55 citations98
US7778240B1Aug 17, 2010
Method for performing gate coordination on a per-call basis
AT & T IP II LP18 citations93
US7742467B1Jun 22, 2010
Method for performing segmented resource reservation
AT & T IP II LP16 citations93
US7864940B1Jan 4, 2011
Method and apparatus for calling name caching in communication networks
AT & T IP II LP40 citations85
US9277058B2Mar 1, 2016
Methods, systems, and products for voice-over internet protocol calls
AT & T IP II LP1 citations63
US7711098B1May 4, 2010
Method for call forwarding without hairpinning and with split billing
AT & T IP II LP3 citations63
US10237414B2Mar 19, 2019
Methods, systems, and products for voice-over internet protocol calls
AT & T IP II LP0 citations52
US9942411B2Apr 10, 2018
Methods, systems, and products for voice-over internet protocol calls
AT & T IP II LP0 citations52
US9762739B2Sep 12, 2017
Methods, systems, and products for voice-over internet protocol calls
AT & T IP II LP0 citations52
NGUYEN HAN Q
2 patentsKALMANEK CHARLES ROBERT JR
2 patentsKALMANEK JR CHARLES ROBERT
1 patentAT&T INTELLECTUAL PROPERTY L L P
1 patentCARNAZZA JAMES M
1 patentShowing the top 50 of 61 patents by PatentIndex Score.