H04L 49/1515
Non-blocking multistage
Official title: Non-blocking multistage, e.g. Clos
H04L49/1515 (Non-blocking multistage) appears on 1,035 US grants and 774 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,035
- Published applications
- 774
- Assignees
- 276
- Inventors
- 1,608
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 20 | 0 |
| 1995 | 23 | 0 |
| 1996 | 14 | 0 |
| 1997 | 7 | 0 |
| 1998 | 19 | 0 |
| 1999 | 31 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 7 |
| 2002 | 17 | 30 |
| 2003 | 23 | 27 |
| 2004 | 20 | 32 |
| 2005 | 28 | 29 |
| 2006 | 48 | 35 |
| 2007 | 29 | 44 |
| 2008 | 31 | 35 |
| 2009 | 32 | 30 |
| 2010 | 44 | 37 |
| 2011 | 33 | 39 |
| 2012 | 36 | 34 |
| 2013 | 35 | 52 |
| 2014 | 68 | 31 |
| 2015 | 55 | 26 |
| 2016 | 38 | 24 |
| 2017 | 38 | 20 |
| 2018 | 24 | 31 |
| 2019 | 34 | 29 |
| 2020 | 46 | 57 |
| 2021 | 38 | 28 |
| 2022 | 39 | 25 |
| 2023 | 27 | 22 |
| 2024 | 28 | 25 |
| 2025 | 23 | 11 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for holistic rendering of cloud network configuration8 Sep 2026US 12,732,430 B2Oracle International Corporation
- Layer-2 networking information in a virtualized cloud environment11 Aug 2026US 12,706,840 B2Oracle International Corporation
- Techniques of handling overlay encapsulation11 Aug 2026US 12,706,861 B2Oracle International Corporation
- Independent datastore in a network routing environment9 Jun 2026US 12,652,192 B2Arrcus Inc.
- Quick reroute in Clos networks2 Jun 2026US 12,647,351 B2Arista Networks, Inc.
- Device and method with multi-stage electrical interconnection network3 Sep 2026US 2026/0261526 A1Samsung Electronics Co., Ltd.
- Layer-2 networking storm control in a virtualized cloud environment13 Aug 2026US 2026/0238589 A1Oracle International Corporation
- High-density switching embodiments for scale-out fabrics30 Jul 2026US 2026/0223314 A1Dell Products L. P.
- System and method for connecting complete interconnection networks for high-performance computers23 Jul 2026US 2026/0214066 A1Barcelona Supercomputing Center—Centro Nacional De SupercomputacióN
- Replay micro-architecture for ethernet23 Jul 2026US 2026/0214067 A1Tesla, Inc.
Most cited
By later US patents
- Converged network extension286US 8,625,616 B2Brocade Communications Systems, Inc. · 2014
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998
- Method and apparatus for a rearrangeably non-blocking switching matrix245US 6,982,974 B1Cisco Technology, Inc. · 2006
- Memory organization in a switching device228US 6,493,347 B2Juniper Networks, Inc. · 2002
- Isochronous switched fabric network222US 7,002,926 B1Western Digital Ventures, Inc. · 2006