H04Q 2213/1304
Coordinate switches, crossbar, 4/2 with relays, coupling field
H04Q2213/1304 (Coordinate switches, crossbar, 4/2 with relays, coupling field) appears on 419 US grants and 275 published applications in this corpus.
Search patents in H04Q- Granted patents
- 419
- Published applications
- 275
- Assignees
- 227
- Inventors
- 853
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 17 | 0 |
| 1998 | 20 | 0 |
| 1999 | 17 | 0 |
| 2000 | 22 | 0 |
| 2001 | 27 | 15 |
| 2002 | 21 | 29 |
| 2003 | 21 | 43 |
| 2004 | 22 | 29 |
| 2005 | 42 | 34 |
| 2006 | 31 | 26 |
| 2007 | 23 | 23 |
| 2008 | 22 | 18 |
| 2009 | 20 | 9 |
| 2010 | 17 | 6 |
| 2011 | 16 | 6 |
| 2012 | 16 | 3 |
| 2013 | 10 | 7 |
| 2014 | 7 | 4 |
| 2015 | 7 | 6 |
| 2016 | 6 | 4 |
| 2017 | 0 | 4 |
| 2018 | 2 | 2 |
| 2019 | 6 | 3 |
| 2020 | 3 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Interconnect circuit6 Feb 2024US 11,892,968 B2Silicon Tailor Limited
- Virtual switch fabrics in converged networks6 Jun 2023US 11,671,381 B2Dell Products L. P.
- Methods and apparatuses for path selection in a packet network29 Mar 2022US 11,290,371 B2Coriant Operations, Inc.
- Flexible redundancy using RF switch matrix7 Dec 2021US 11,196,456 B2Hughes Network Systems, LLC
- Virtual switch fabrics in converged networks23 Mar 2021US 10,958,596 B2Dell Products L. P.
- Interconnect circuit26 Jan 2023US 2023/0023021 A1Silicon Tailor Limited
- Virtual switch fabrics in converged networks17 Jun 2021US 2021/0184992 A1Dell Products L. P.
- Flexible redundancy using rf switch matrix23 Jul 2020US 2020/0235778 A1Hughes Network Systems, LLC
- Virtual switch fabrics in converged networks23 Jul 2020US 2020/0236066 A1Dell Products L. P.
- Methods And Apparatuses For Path Selection In A Packet Network15 Aug 2019US 2019/0253340 A1Coriant Operations, Inc.
Most cited
By later US patents
- Communication server apparatus and method266US 5,668,857 ANetspeed, Inc. · 1997
- Telecommunications network234US 5,923,659 ABell Atlantic Network Services, Inc. · 1999
- Wide area network (WAN)-arrangement185US 5,361,259 AAmerican Telephone and Telegraph Company · 1994
- Communication server apparatus and method164US 5,905,781 ACisco Technology, Inc. · 1999
- Multiple spot-beam systems for satellite communications150US 4,931,802 ACommunications Satellite Corporation · 1990