H04L 69/22
Parsing or analysis of headers
H04L69/22 (Parsing or analysis of headers) appears on 9,639 US grants and 10,678 published applications in this corpus.
Search patents in H04L- Granted patents
- 9,639
- Published applications
- 10,678
- Assignees
- 1,971
- Inventors
- 16,168
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 24 | 0 |
| 1999 | 33 | 0 |
| 2000 | 31 | 0 |
| 2001 | 57 | 51 |
| 2002 | 72 | 272 |
| 2003 | 81 | 330 |
| 2004 | 134 | 270 |
| 2005 | 115 | 249 |
| 2006 | 206 | 197 |
| 2007 | 168 | 226 |
| 2008 | 224 | 193 |
| 2009 | 191 | 190 |
| 2010 | 248 | 271 |
| 2011 | 207 | 204 |
| 2012 | 232 | 290 |
| 2013 | 253 | 353 |
| 2014 | 389 | 399 |
| 2015 | 430 | 615 |
| 2016 | 518 | 779 |
| 2017 | 596 | 808 |
| 2018 | 697 | 697 |
| 2019 | 782 | 711 |
| 2020 | 796 | 758 |
| 2021 | 684 | 644 |
| 2022 | 721 | 631 |
| 2023 | 584 | 479 |
| 2024 | 509 | 429 |
| 2025 | 393 | 375 |
| 2026 | 218 | 257 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Communication device and two-phase packet parser enhancement method with loopback unit6 Oct 2026US 12,756,773 B2Realtek Semiconductor Corp.
- System and method for selectively increasing the reliability of select packets in a data network6 Oct 2026US 12,757,073 B2Cisco Technology, Inc.
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Most cited
By later US patents
- Self describing data packets generated at an issuing instrument782US 10,892,899 B2Ethicon, Inc. · 2021
- Method, system and apparatus for packet minimized communications726US 6,397,259 B1Palm, Inc. · 2002
- System for dynamically transcoding data transmitted between computers723US 6,421,733 B1Intel Corporation · 2002
- Logical access block processing protocol for transparent secure file storage573US 7,334,124 B2Vormetric, Inc. · 2008
- System and method for high-performance delivery of web content using high-performance communications protocol between the first and second specialized intermediate nodes to optimize a measure of communications performance between the source and the destination527US 6,820,133 B1Netli, Inc. · 2004