H04Q 2213/167
Redundancy
H04Q2213/167 (Redundancy) appears on 7 US grants and 4 published applications in this corpus.
Search patents in H04Q- Granted patents
- 7
- Published applications
- 4
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Redundancy of distributed antenna systems14 Nov 2023US 11,817,918 B2SOLiD, INC.
- VPLS N-PE redundancy with STP isolation25 Oct 2016US 9,479,355 B2Cisco Technology, Inc.
- VPLS N-PE redundancy with STP isolation3 Jun 2014US 8,743,677 B2Cisco Technology, Inc.
- Signal transfer point local number portability database audit system and method15 Apr 2003US 6,549,620 B2Alcatel USA Sourcing, L. P.
- Communication control unit switched between active and stand-by functions automatically in response to monitored status of a different communication control unit connected to a common network7 Dec 1999US 5,999,983 AFujitsu Limited
- Redundancy of distributed antenna systems3 Nov 2022US 2022/0352929 A1SOLiD, INC.
- Vpls n-pe redundancy with stp isolation14 Aug 2014US 2014/0226674 A1Cisco Technology, Inc.
- Vpls n-pe redundancy with stp isolation22 Jul 2010US 2010/0182937 A1Cisco Technology, Inc.
- Signal transfer point local number portability database audit system and method28 Nov 2002US 2002/0176562 A1Alcatel USA Sourcing, L. P.
Most cited
By later US patents
- ISDN terminal adapter for access from analog signal equipment of four-wire full duplex type to ISDN12US 5,341,418 ANEC Corporation · 1994
- Facsimile apparatus and facsimile system8US 5,355,230 ACanon Kabushiki Kaisha · 1994
- Communication control unit switched between active and stand-by functions automatically in response to monitored status of a different communication control unit connected to a common network5US 5,999,983 AFujitsu Limited · 1999
- Signal transfer point local number portability database audit system and method3US 6,549,620 B2Alcatel USA Sourcing, L. P. · 2003