H04Q 2213/13144
Searching path through number of switching stages or nodes
Official title: Searching path through number of switching stages or nodes, e.g. revertive blocking
H04Q2213/13144 (Searching path through number of switching stages or nodes) appears on 41 US grants and 21 published applications in this corpus.
Search patents in H04Q- Granted patents
- 41
- Published applications
- 21
- Assignees
- 28
- Inventors
- 67
- Latest grant
- 30 Sep 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 3 |
| 2002 | 2 | 3 |
| 2003 | 6 | 4 |
| 2004 | 2 | 1 |
| 2005 | 3 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 3 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Jurisdictionally optimized call routing30 Sep 2014US 8,848,887 B2Verizon Patent and Licensing Inc.
- Media gateway preferential routing circuit allocation techniques in UMA23 Sep 2014US 8,843,152 B2Alcatel Lucent
- Location services interworking with intelligent network10 Sep 2013US 8,532,669 B2Nokia Corporation
- Method of providing the facility for some communication network users to have preferential access for particular calls3 Aug 2010US 7,769,157 B2Alcatel
- Method of and system for providing services in a communications network13 Jul 2010US 7,756,261 B2MCI Communications Corporation & Verizon Communications Inc.
- Jurisdictionally optimized call routing2 Sep 2010US 2010/0220852 A1Verizon Patent and Licensing Inc.
- Location services interworking with intelligent network19 Aug 2010US 2010/0210286 A1Nokia Corporation
- Media gateway preferential routing circuit allocation techniques in UMA1 Oct 2009US 2009/0245218 A1Alcatel Lucent
- Method of and system for providing services in a communications network4 Sep 2008US 2008/0212757 A1MCI Communications Corporation
- Local routing system and method4 Oct 2007US 2007/0230474 A1AT&T Labs, Inc.
Most cited
By later US patents
- Combined progressive and source routing control for connection-oriented communications networks222US 5,649,108 ANEC Corporation · 1997
- Telecommunication resource allocation system and method96US 6,381,321 B1T-Netix, Inc. · 2002
- Automatic provisioning of trunking and routing parameters in a telecommunications network87US 5,559,877 AAT&T Corp. · 1996
- Connection path selection method for cross-connect communications networks76US 5,408,231 AAlcatel Network Systems, Inc. · 1995
- Connections between a toll network and multiple local networks75US 5,550,912 AAT&T Corp. · 1996