H04L 49/254
Centralised controller, i.e. arbitration or scheduling
Official title: {Centralised controller, i.e. arbitration or scheduling}
H04L49/254 (Centralised controller, i.e. arbitration or scheduling) appears on 1,447 US grants and 996 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,447
- Published applications
- 996
- Assignees
- 402
- Inventors
- 2,400
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 17 | 0 |
| 1991 | 10 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 14 | 0 |
| 1995 | 22 | 0 |
| 1996 | 30 | 0 |
| 1997 | 16 | 0 |
| 1998 | 43 | 0 |
| 1999 | 58 | 0 |
| 2000 | 44 | 0 |
| 2001 | 38 | 20 |
| 2002 | 52 | 93 |
| 2003 | 66 | 93 |
| 2004 | 58 | 66 |
| 2005 | 49 | 60 |
| 2006 | 86 | 61 |
| 2007 | 65 | 37 |
| 2008 | 72 | 47 |
| 2009 | 57 | 38 |
| 2010 | 70 | 30 |
| 2011 | 46 | 13 |
| 2012 | 32 | 31 |
| 2013 | 37 | 43 |
| 2014 | 43 | 26 |
| 2015 | 45 | 42 |
| 2016 | 42 | 21 |
| 2017 | 25 | 34 |
| 2018 | 22 | 33 |
| 2019 | 39 | 31 |
| 2020 | 48 | 43 |
| 2021 | 35 | 25 |
| 2022 | 29 | 26 |
| 2023 | 26 | 20 |
| 2024 | 22 | 12 |
| 2025 | 16 | 17 |
| 2026 | 5 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Policy based quality of service891US 6,104,700 AExtreme Networks, Inc. · 2000
- Hardware-assisted central processing unit access to a forwarding database414US 5,909,686 ASun Microsystems, Inc. · 1999
- Packet-switched self-routing multistage interconnection network having contention-free fanout, low-loss routing, and fanin buffering to efficiently realize arbitrarily low packet loss365US 5,541,914 A1996
- Scalable high speed router apparatus342US 7,466,703 B1Alcatel-Lucent USA Inc. · 2008
- Network hub with integrated bridge335US 5,432,907 ANetwork Resources Corporation · 1995