H04Q 2213/13251
Restricted service, class of service
H04Q2213/13251 (Restricted service, class of service) appears on 53 US grants and 24 published applications in this corpus.
Search patents in H04Q- Granted patents
- 53
- Published applications
- 24
- Assignees
- 37
- Inventors
- 106
- Latest grant
- 27 May 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 6 |
| 2002 | 12 | 2 |
| 2003 | 5 | 2 |
| 2004 | 4 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 3 | 1 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for handling a multi-media call setup request27 May 2014US 8,737,968 B2Telefonaktiebolaget LM Ericsson (publ)
- Method and system of PSAP call back of IN subscriber19 Nov 2013US 8,588,732 B2Telefonaktiebolaget LM Ericsson (publ)
- Method, system, and device for setting up a call using a global registry15 Oct 2013US 8,559,418 B2Cisco Technology, Inc.
- Method and system of PSAP call back of in subscriber12 Mar 2013US 8,396,444 B2Telefonaktiebolaget LM Ericsson (publ)
- Class-based call request routing4 Dec 2012US 8,325,906 B2Cisco Technology, Inc.
- Method and system of psap call back of in subscriber6 Jun 2013US 2013/0143514 A1Telefonaktiebolaget'l M Ericsson (Publ)
- Method And System For Handling A Multi-Media Call Setup Request29 Mar 2012US 2012/0075406 A1Telefonaktiebolaget LM Ericsson (publ)
- Method, system, and device for setting up a call using a global registry6 Jan 2011US 2011/0002328 A1Tandberg Telecom AS
- Method for Setting Up a Telephone Connection, and Apparatuses24 Jun 2010US 2010/0157995 A1
- Communication system11 Mar 2010US 2010/0064182 A1Hitachi, Ltd.
Most cited
By later US patents
- Method for providing integrated packet services over a shared-media network231US 5,917,822 ACOM21, Inc. · 1999
- System and method for routing calls in a wireless network using a single point of contact224US 7,512,090 B2Alcatel-Lucent USA Inc. · 2009
- Class-based call request routing140US 8,325,906 B2Cisco Technology, Inc. · 2012
- Method for providing integrated packet services over a shared-media network122US 6,563,829 B1COM21, Inc. · 2003
- Digital key telephone system and extension terminal device thereof95US 6,496,576 B2Kabushiki Kaisha Toshiba · 2002