H04Q 2213/13521
Fault management
Official title: fault management
H04Q2213/13521 (Fault management) appears on 47 US grants and 6 published applications in this corpus.
Search patents in H04Q- Granted patents
- 47
- Published applications
- 6
- Assignees
- 22
- Inventors
- 76
- Latest grant
- 7 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical transmission line switching apparatus, optical transmission system, and transmission line switching method7 Jul 2020US 10,708,676 B2Mitsubishi Electric Corporation
- Redundant wired pipe-in-pipe telemetry system25 Apr 2017US 9,634,473 B2Halliburton Energy Services.Inc.
- Redundant wired pipe-in-pipe telemetry system30 Aug 2016US 9,431,813 B2Halliburton Energy Services.Inc.
- Communications network management1 Oct 2002US 6,459,683 B2British Telecommunications Public Ltd.Co.
- Method and apparatus for inter-domain alarm correlation6 Aug 2002US 6,430,712 B2Aprisma Management Technologies, Inc.
- Optical transmission line switching apparatus, optical transmission system, and transmission line switching method20 Feb 2020US 2020/0059711 A1Mitsubishi Electric Corporation
- Redundant wired pipe-in-pipe telemetry system3 Nov 2016US 2016/0322800 A1Halliburton Energy Services.Inc.
- Redundant wired pipe-in-pipe telemetry system27 Mar 2014US 2014/0085099 A1Halliburton Energy Services.Inc.
- Service and information management system for a telecommunications network14 Aug 2008US 2008/0192920 A1
- Communications network management25 Oct 2001US 2001/0033551 A1British Telecommunications plc
Most cited
By later US patents
- Analysis and validation system for provisioning network related facilities491US 5,881,131 ABell Atlantic Network Services, Inc. · 1999
- Method of supporting the management of a communications network, and network management facility therefor293US 5,715,394 AAlcatel · 1998
- Event correlation267US 5,748,098 ABritish Telecommunications Public Ltd.Co. · 1998
- Method and apparatus for inter-domain alarm correlation224US 5,768,501 ACabletron Systems, Inc. · 1998
- System for reactively maintaining telephone network facilities in a public switched telephone network184US 5,687,212 ABell Atlantic Network Services, Inc. · 1997