H04Q 2213/13205
Primary rate access, pri
Official title: Primary rate access, PRI
H04Q2213/13205 (Primary rate access, pri) appears on 97 US grants and 41 published applications in this corpus.
Search patents in H04Q- Granted patents
- 97
- Published applications
- 41
- Assignees
- 51
- Inventors
- 221
- Latest grant
- 11 Mar 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 12 |
| 2002 | 8 | 11 |
| 2003 | 8 | 3 |
| 2004 | 1 | 6 |
| 2005 | 7 | 2 |
| 2006 | 7 | 3 |
| 2007 | 6 | 2 |
| 2008 | 5 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Direct route ISDN primary route interface11 Mar 2014US 8,670,547 B2AT&T Intellectual Property I, L. P.
- Efficient connection of ISDN private branch exchanges to a packet-switched network14 Jun 2011US 7,961,713 B2Nokia Siemens Networks Oy
- Combining narrowband applications with broadband transport25 Nov 2008US 7,457,280 B2Telefonaktiebolaget'l M Ericsson (Publ)
- Direct route ISDN primary route interface29 Jul 2008US 7,406,165 B2SBC Properties, L.P.
- Efficient handling of ISDN connections by a packet-oriented exchange10 Jun 2008US 7,386,117 B2Siemens Aktiengesellschaft
- Telephone Communication Monitoring Device and Method27 Aug 2009US 2009/0213742 A1Neuroware Corporation
- Direct Route ISDN Primary Route Interface10 Jul 2008US 2008/0165946 A1SBC Properties, L.P.
- Method for Providing Functionality of an Exchange Termination Unit and a Line Termination Unit in a Communication Network27 Sep 2007US 2007/0223485 A1Siemens Aktiengesellschaft
- Platform for rapid development of telecommunication services15 Feb 2007US 2007/0036315 A1SBC Properties, L.P.
- Intelligent wrong number intercept handler12 Oct 2006US 2006/0227958 A1
Most cited
By later US patents
- Method and apparatus for interconnecting ATM-attached hosts with telephone-network attached hosts227US 5,737,333 AAT&T Corp. · 1998
- Secure LAN/internet telephony183US 6,233,234 B1Bell Atlantic Network Services, Inc. · 2001
- Combined analog and digital communications device147US 5,815,505 AAdvanced Micro Devices, Inc. · 1998
- Bidirectional video telephony between cable television and switched telephone systems128US 5,329,308 AAT&T Bell Laboratories · 1994
- Communicating between diverse communications environments124US 5,764,750 ALucent Technologies Inc. · 1998