H04L 69/28
Timers or timing mechanisms used in protocols
H04L69/28 (Timers or timing mechanisms used in protocols) appears on 2,417 US grants and 2,694 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,417
- Published applications
- 2,694
- Assignees
- 886
- Inventors
- 5,211
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 4 |
| 2002 | 14 | 42 |
| 2003 | 16 | 56 |
| 2004 | 23 | 46 |
| 2005 | 25 | 54 |
| 2006 | 43 | 65 |
| 2007 | 28 | 90 |
| 2008 | 48 | 115 |
| 2009 | 55 | 78 |
| 2010 | 85 | 99 |
| 2011 | 92 | 77 |
| 2012 | 96 | 121 |
| 2013 | 104 | 96 |
| 2014 | 124 | 123 |
| 2015 | 114 | 126 |
| 2016 | 139 | 181 |
| 2017 | 147 | 173 |
| 2018 | 167 | 124 |
| 2019 | 176 | 141 |
| 2020 | 148 | 174 |
| 2021 | 158 | 156 |
| 2022 | 134 | 181 |
| 2023 | 139 | 107 |
| 2024 | 135 | 133 |
| 2025 | 102 | 84 |
| 2026 | 42 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Pdcp discard mechanism for extended reality in wireless network27 Aug 2026US 2026/0255215 A1Samsung Electronics Co., Ltd.
- Data processing method and related apparatus20 Aug 2026US 2026/0244205 A1Tencent Technology (Shenzhen) Company Limited
- Method and apparatus for qos-based pdcp sdu discard operation in wireless communication system20 Aug 2026US 2026/0247210 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- System and method for synchronizing operations among a plurality of independently clocked digital data processing devices1,949US 8,234,395 B2Sonos, Inc. · 2012
- System for synchronizing a plurality of nodes to concurrently generate output signals by adjusting relative timelags based on a maximum estimated timelag1,773US 5,923,902 AYamaha Corporation · 1999
- Determining client latencies over a network348US 7,676,570 B22010
- Method and apparatus for device interaction by format304US 6,721,286 B1Hewlett-Packard Development Company, L. P. · 2004
- Dynamic expiration of domain name service entries275US 8,266,288 B2International Business Machines Corporation · 2012