H04L 12/1877
Measures taken prior to transmission
Official title: {Measures taken prior to transmission}
H04L12/1877 (Measures taken prior to transmission) appears on 574 US grants and 590 published applications in this corpus.
Search patents in H04L- Granted patents
- 574
- Published applications
- 590
- Assignees
- 239
- Inventors
- 1,284
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 4 |
| 2002 | 4 | 17 |
| 2003 | 8 | 19 |
| 2004 | 13 | 22 |
| 2005 | 11 | 30 |
| 2006 | 16 | 28 |
| 2007 | 7 | 29 |
| 2008 | 12 | 30 |
| 2009 | 18 | 23 |
| 2010 | 32 | 36 |
| 2011 | 27 | 26 |
| 2012 | 30 | 19 |
| 2013 | 28 | 19 |
| 2014 | 33 | 32 |
| 2015 | 27 | 20 |
| 2016 | 27 | 22 |
| 2017 | 22 | 27 |
| 2018 | 21 | 24 |
| 2019 | 30 | 29 |
| 2020 | 39 | 43 |
| 2021 | 31 | 23 |
| 2022 | 32 | 23 |
| 2023 | 20 | 19 |
| 2024 | 14 | 14 |
| 2025 | 15 | 8 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method and apparatus for multicast tunnel load balancing, gateway device, and storage medium30 Jul 2026US 2026/0222348 A1New H3C Technologies Co., Ltd.
- Mixed-Mode Synchronous Playback2 Jul 2026US 2026/0189424 A1Sonos, Inc.
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Most cited
By later US patents
- Interactive advisory system1,220US 6,980,909 B2WeatherBank, Inc. · 2005
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- Interactive advisory system1,080US 9,204,252 B2Locator IP, L.P. · 2015
- Distributed connection-oriented services for switched communications networks673US 5,825,772 ACabletron Systems, Inc. · 1998