H04W 76/25
Maintenance of established connections
H04W76/25 (Maintenance of established connections) appears on 1,438 US grants and 1,826 published applications in this corpus.
Search patents in H04W- Granted patents
- 1,438
- Published applications
- 1,826
- Assignees
- 377
- Inventors
- 2,860
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 10 | 4 |
| 2002 | 2 | 7 |
| 2003 | 1 | 5 |
| 2004 | 3 | 12 |
| 2005 | 5 | 16 |
| 2006 | 8 | 7 |
| 2007 | 5 | 13 |
| 2008 | 5 | 13 |
| 2009 | 10 | 26 |
| 2010 | 9 | 22 |
| 2011 | 18 | 22 |
| 2012 | 23 | 51 |
| 2013 | 28 | 62 |
| 2014 | 47 | 76 |
| 2015 | 60 | 97 |
| 2016 | 79 | 88 |
| 2017 | 90 | 112 |
| 2018 | 104 | 113 |
| 2019 | 98 | 149 |
| 2020 | 118 | 173 |
| 2021 | 125 | 155 |
| 2022 | 121 | 161 |
| 2023 | 146 | 161 |
| 2024 | 138 | 135 |
| 2025 | 111 | 90 |
| 2026 | 68 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for handling a mobility management state transition after fallback to RRC establishment29 Sep 2026US 12,750,909 B2Google Inc.
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Most cited
By later US patents
- Method to sustain TCP connection283US 6,212,175 B1Telxon Corporation · 2001
- Data transmission in a radio telephone network222US 5,802,465 ANokia Mobile Phones Ltd. · 1998
- Optimizing keepalive and other background traffic in a wireless network210US 10,182,466 B2Seven Networks, LLC · 2019
- Managing low-power wireless mediums in multiradio devices166US 7,809,012 B2Nokia Corporation · 2010
- Low power periodic and triggered location of a mobile device using control plane optimization151US 10,952,178 B2QUALCOMM Incorporated · 2021