H04Q 2213/13542
Numbering plans
Official title: numbering plans, e.g. number re-allocation
H04Q2213/13542 (Numbering plans) appears on 30 US grants and 1 published applications in this corpus.
Search patents in H04Q- Granted patents
- 30
- Published applications
- 1
- Assignees
- 16
- Inventors
- 30
- Latest grant
- 30 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Individual telephone number assignment30 Apr 2019US 10,277,735 B2Neustar, Inc.
- Method for subscriber availability in a radio communications system5 Apr 2005US 6,876,865 B1DeTeMobil Deutsche Telekom MobilNet GmbH
- Method of making changes in a directory number administration, and directory number administration facility11 Sep 2001US 6,289,091 B1Alcatel
- Subscriber access network, exchange, service control point, and method of establishing a connection12 Dec 2000US 6,160,882 AAlcatel
- Method for updating a local switch internal database in a system having different service providers within a common numbering plan area20 Jun 2000US 6,078,656 ASiemens Information and Communication Networks, Inc.
Most cited
By later US patents
- Improved data transmission via a public switched telephone network169US 5,692,039 ABell Atlantic Network Services, Inc. · 1997
- Method for transferring a subscriber to a new local service provider127US 5,689,555 ASiemens Stromberg-Carlson · 1997
- Method for updating a local switch internal database in a system having different service providers within a common numbering plan area111US 5,949,867 ASiemens Information and Communication Networks, Inc. · 1999
- Method and apparatus for routing a call to a number corresponding to a virtual public dial plan or to an existing dial plan104US 5,583,926 AStentor Resource Centre, Inc. · 1996
- Data transmission via a public switched telephone network91US 5,467,390 ABell Atlantic Network Services, Inc. · 1995