H04Q 3/0091
Congestion or overload control
Official title: {Congestion or overload control}
H04Q3/0091 (Congestion or overload control) appears on 138 US grants and 79 published applications in this corpus.
Search patents in H04Q- Granted patents
- 138
- Published applications
- 79
- Assignees
- 71
- Inventors
- 247
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 13 | 2 |
| 2002 | 7 | 10 |
| 2003 | 6 | 4 |
| 2004 | 9 | 9 |
| 2005 | 7 | 4 |
| 2006 | 6 | 3 |
| 2007 | 5 | 4 |
| 2008 | 4 | 2 |
| 2009 | 1 | 2 |
| 2010 | 6 | 3 |
| 2011 | 5 | 4 |
| 2012 | 2 | 1 |
| 2013 | 5 | 1 |
| 2014 | 5 | 2 |
| 2015 | 5 | 1 |
| 2016 | 6 | 13 |
| 2017 | 11 | 2 |
| 2018 | 5 | 2 |
| 2019 | 4 | 3 |
| 2020 | 5 | 3 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bandwidth estimate filtering based on packet loss patterns17 Jun 2025US 12,335,125 B2Hewlett Packard Enterprise Development LP
- Systems and methods for phone number fraud prediction27 May 2025US 12,314,968 B2Somos, Inc.
- Optimizing connectivity in reconfigurable networks18 Apr 2023US 11,632,330 B2The Regents of the University of California
- Toll-free numbers metadata tagging, analysis and reporting24 Jan 2023US 11,563,861 B2Somos, Inc.
- Toll-free numbers metadata tagging, analysis and reporting15 Jun 2021US 11,039,021 B2Somos, Inc.
- Bandwidth estimate filtering based on packet loss patterns26 Oct 2023US 2023/0344733 A1Hewlett Packard Enterprise Development LP
- Systems and methods for phone number fraud prediction4 May 2023US 2023/0136732 A1Somos, Inc.
- Optimizing connectivity in reconfigurable networks11 Feb 2021US 2021/0044531 A1The Regents of the University of California
- Toll-free numbers metadata tagging, analysis and reporting11 Feb 2021US 2021/0044703 A1Somos, Inc.
- Toll-free numbers metadata tagging, analysis and reporting1 Oct 2020US 2020/0314248 A1Somos, Inc.
Most cited
By later US patents
- Real time control architecture for admission control in communications network222US 5,970,064 ANorthern Telecom Limited · 1999
- Method and apparatus for congestion management in computer networks using explicit rate indication213US 5,633,859 AThe Ohio State University · 1997
- Method and apparatus for integration of traffic measurement and queueing performance evaluation in a network system99US 5,583,792 A1996
- Message buffering for prioritized message transmission and congestion management95US 6,018,515 AEricsson Messaging Systems Inc. · 2000
- Method for resource allocation and routing in multi-service virtual private networks93US 6,331,986 B1Lucent Technologies Inc. · 2001