H04L 49/256
Routing or path finding in atm switching fabrics
Official title: {Routing or path finding in ATM switching fabrics}
H04L49/256 (Routing or path finding in atm switching fabrics) appears on 339 US grants and 112 published applications in this corpus.
Search patents in H04L- Granted patents
- 339
- Published applications
- 112
- Assignees
- 127
- Inventors
- 563
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 17 | 0 |
| 1996 | 17 | 0 |
| 1997 | 11 | 0 |
| 1998 | 27 | 0 |
| 1999 | 41 | 0 |
| 2000 | 21 | 0 |
| 2001 | 27 | 5 |
| 2002 | 29 | 11 |
| 2003 | 14 | 12 |
| 2004 | 12 | 7 |
| 2005 | 6 | 5 |
| 2006 | 8 | 7 |
| 2007 | 7 | 4 |
| 2008 | 10 | 4 |
| 2009 | 4 | 2 |
| 2010 | 7 | 4 |
| 2011 | 4 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 5 |
| 2014 | 1 | 3 |
| 2015 | 7 | 5 |
| 2016 | 5 | 3 |
| 2017 | 4 | 1 |
| 2018 | 1 | 3 |
| 2019 | 4 | 5 |
| 2020 | 2 | 5 |
| 2021 | 3 | 1 |
| 2022 | 5 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 2 | 12 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Techniques of handling overlay encapsulation11 Aug 2026US 12,706,861 B2Oracle International Corporation
- Method for automatically changing a topology of a plurality of network switches14 Jul 2026US 12,683,889 B2Alpha Networks Inc.
- Network architecture with harmonic connections21 Oct 2025US 12,452,194 B2Amazon Technologies, Inc.
- Elastic multi-directional resource augmentation in a switched CXL fabric2 Sep 2025US 12,407,630 B2UnifabriX Ltd.
- Dis-aggregated switching and protocol configurable input/output module29 Oct 2024US 12,132,670 B2Sanmina Corporation
- Data broadcasting method for mesh or torus network based on xy routing algorithm, transmission network and electronic device18 Jun 2026US 2026/0172372 A1
- Method and device with adaptive path control4 Jun 2026US 2026/0156087 A1Samsung Electronics Co., Ltd.
- Multi-port network interface card (nic)9 Apr 2026US 2026/0100920 A1Owl Cyber Defense Solutions, LLC
- Selective adaptive routing18 Dec 2025US 2025/0385877 A1Mellanox Technologies, Ltd.
- Method for automatically changing a topology of a plurality of network switches4 Dec 2025US 2025/0373534 A1Alpha Networks Inc.
Most cited
By later US patents
- Network having secure fast packet switching and guaranteed quality of service466US 5,485,455 ACabletron Systems, Inc. · 1996
- Method for determining a best path between two nodes398US 5,521,910 ACabletron Systems, Inc. · 1996
- Bridge/router architecture for high performance scalable networking346US 5,802,278 A3Com Corporation · 1998
- Method and system for minimizing the connection set up time in high speed packet switching networks324US 6,400,681 B1Cisco Technology, Inc. · 2002
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998