H04Q 2213/1338
Inter-exchange connection
H04Q2213/1338 (Inter-exchange connection) appears on 254 US grants and 103 published applications in this corpus.
Search patents in H04Q- Granted patents
- 254
- Published applications
- 103
- Assignees
- 96
- Inventors
- 396
- Latest grant
- 24 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 18 | 0 |
| 2000 | 17 | 0 |
| 2001 | 26 | 9 |
| 2002 | 33 | 19 |
| 2003 | 27 | 14 |
| 2004 | 14 | 11 |
| 2005 | 9 | 12 |
| 2006 | 9 | 10 |
| 2007 | 11 | 5 |
| 2008 | 9 | 3 |
| 2009 | 8 | 3 |
| 2010 | 6 | 6 |
| 2011 | 4 | 2 |
| 2012 | 4 | 2 |
| 2013 | 5 | 3 |
| 2014 | 4 | 0 |
| 2015 | 3 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Regional independent tandem telephone switch24 Oct 2017US 9,800,956 B2Level 3 Communications, LLC
- Regional independent tandem telephone switch25 Apr 2017US 9,634,941 B2Level 3 Communications, LLC
- Multi-stage switching topology22 Nov 2016US 9,503,395 B1Google Inc.
- Establishing connection across a connection-oriented first telecommunications network in response to a connection request from a second telecommunications network18 Oct 2016US 9,473,242 B2Ericsson Inc.
- Regional independent tandem telephone switch24 Nov 2015US 9,197,948 B2Level 3 Communications, LLC
- Artificial intelligence computing system and method1 Jan 2026US 2026/0006355 A1Huawei Technologies Co., Ltd.
- Regional independent tandem telephone switch10 Aug 2017US 2017/0230732 A1Level 3 Communications, LLC
- Regional independent tandem telephone switch17 Mar 2016US 2016/0080270 A1Level 3 Communications, LLC
- Apparatus and Method for Providing Enhanced Telecommunications Services23 Apr 2015US 2015/0110258 A1WavPort, L.L.C.
- Establishing connection across a connection-oriented first telecommunications network in response to a connection request from a second telecommunications network26 Sep 2013US 2013/0251366 A1Ericsson Inc.
Most cited
By later US patents
- System for selective communication connection based on transaction pricing signals599US 5,802,502 ABritish Telecommunications Public Ltd.Co. · 1998
- Method and system in a client-server for automatically converting messages from a first format to a second format compatible with a message retrieving device509US 6,212,550 B1Motorola, Inc. · 2001
- Analog terminal internet access253US 6,215,858 B1Bell Atlantic Network Services, Inc. · 2001
- Message communication via common signaling channel252US 5,812,639 ABell Atlantic Network Services, Inc. · 1998
- Combined progressive and source routing control for connection-oriented communications networks222US 5,649,108 ANEC Corporation · 1997