H04Q 2213/13201
Change-over of service during connection
H04Q2213/13201 (Change-over of service during connection) appears on 58 US grants and 30 published applications in this corpus.
Search patents in H04Q- Granted patents
- 58
- Published applications
- 30
- Assignees
- 34
- Inventors
- 127
- Latest grant
- 29 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 5 |
| 2002 | 7 | 5 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 3 | 1 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Circuit-switched and multimedia subsystem voice continuity with bearer path interruption29 Oct 2019US 10,462,191 B2BlackBerry Limited
- Method for augmenting a voice call12 Jan 2016US 9,237,239 B2Genband US LLC
- System architecture for linking packet-switched and circuit-switched clients3 Nov 2015US 9,179,003 B2Paltalk Holdings, Inc.
- Method and system for handling a multi-media call setup request27 May 2014US 8,737,968 B2Telefonaktiebolaget LM Ericsson (publ)
- System architecture for linking packet-switched and circuit-switched clients15 Apr 2014US 8,700,720 B2Paltalk Holdings, Inc.
- System architecture for linking packet-switched and circuit-switched clients7 Aug 2014US 2014/0219138 A1Paltalk Holdings, Inc.
- Circuit-Switched and Multimedia Subsystem Voice Continuity with Bearer Path Interruption24 Jan 2013US 2013/0022039 A1Research In Motion Limited
- System architecture for linking packet-switched and circuit-switched clients12 Jul 2012US 2012/0176943 A1Paltalk Holdings, Inc.
- Method And System For Handling A Multi-Media Call Setup Request29 Mar 2012US 2012/0075406 A1Telefonaktiebolaget LM Ericsson (publ)
- Method for augmenting a voice call23 Feb 2012US 2012/0045046 A1Genband US LLC
Most cited
By later US patents
- Synchoronous packet voice/data communication system304US 4,771,425 AStratacom, Inc. · 1988
- Synchronous packet voice/data communication system195US 4,903,261 AStratacom, Inc. · 1990
- Synchronous packet voice/data communication system173US 4,819,228 AStratacom, Inc. · 1989
- ISDN-based system for making a video call147US 5,371,534 AAT&T Corp. · 1994
- PSTN fallback using dial on demand routing scheme132US 6,282,192 B1Cisco Technology, Inc. · 2001