H04L 49/106
Using space switching
Official title: {using space switching, e.g. crossbar or matrix}
H04L49/106 (Using space switching) appears on 277 US grants and 28 published applications in this corpus.
Search patents in H04L- Granted patents
- 277
- Published applications
- 28
- Assignees
- 89
- Inventors
- 394
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 17 | 0 |
| 1994 | 23 | 0 |
| 1995 | 22 | 0 |
| 1996 | 23 | 0 |
| 1997 | 19 | 0 |
| 1998 | 23 | 0 |
| 1999 | 27 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 3 |
| 2002 | 11 | 9 |
| 2003 | 8 | 3 |
| 2004 | 7 | 3 |
| 2005 | 6 | 1 |
| 2006 | 10 | 1 |
| 2007 | 6 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Network architecture with harmonic connections21 Oct 2025US 12,452,194 B2Amazon Technologies, Inc.
- CXL fabric extensions5 Aug 2025US 12,380,049 B2Hewlett Packard Enterprise Development LP
- FPGA-efficient directional two-dimensional router13 Jun 2023US 11,677,662 B2Gray Research LLC
- Augmenting data plane functionality with field programmable integrated circuits27 Sep 2022US 11,456,970 B1Barefoot Networks, Inc.
- Recording in an external memory data messages processed by a data plane circuit31 May 2022US 11,349,781 B1Barefoot Networks, Inc.
- Cxl fabric extensions22 May 2025US 2025/0165425 A1Hewlett Packard Enterprise Development LP
- Network architecture with harmonic connections9 Jan 2025US 2025/0016117 A1Amazon Technologies, Inc.
- Augmenting data plane functionality with field programmable integrated circuits23 Dec 2021US 2021/0399998 A1Barefoot Networks, Inc.
- Fpga-efficient directional two-dimensional router27 May 2021US 2021/0160177 A1Gray Research LLC
- Multicast message delivery using a directional two-dimensional router and network13 Aug 2020US 2020/0259743 A1Gray Research LLC
Most cited
By later US patents
- Apparatus for interfacing between telecommunications call signals and broadband signals366US 5,327,421 AAT&T Bell Laboratories · 1994
- Establishing telecommunications call paths in broadband communication networks336US 5,345,446 AAT&T Bell Laboratories · 1994
- Establishing telecommunications calls in a broadband network313US 5,345,445 AAT&T Bell Laboratories · 1994
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998
- Establishing telecommunications call paths between clustered switching entities250US 5,365,524 AAT&T Bell Laboratories · 1994