H04L 51/08
Annexed information
Official title: Annexed information, e.g. attachments
H04L51/08 (Annexed information) appears on 2,414 US grants and 2,856 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,414
- Published applications
- 2,856
- Assignees
- 826
- Inventors
- 4,455
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 24 |
| 2002 | 16 | 47 |
| 2003 | 15 | 44 |
| 2004 | 19 | 50 |
| 2005 | 15 | 53 |
| 2006 | 28 | 49 |
| 2007 | 22 | 43 |
| 2008 | 26 | 62 |
| 2009 | 29 | 62 |
| 2010 | 39 | 63 |
| 2011 | 54 | 74 |
| 2012 | 56 | 118 |
| 2013 | 92 | 111 |
| 2014 | 99 | 184 |
| 2015 | 118 | 241 |
| 2016 | 176 | 231 |
| 2017 | 164 | 212 |
| 2018 | 173 | 186 |
| 2019 | 211 | 184 |
| 2020 | 222 | 176 |
| 2021 | 210 | 198 |
| 2022 | 202 | 141 |
| 2023 | 164 | 137 |
| 2024 | 136 | 87 |
| 2025 | 67 | 52 |
| 2026 | 40 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems and methods for AI based normalization and indexing of multi-protocol message content using universal message objects6 Oct 2026US 12,754,918 B2Entefy Inc.
- Dynamically controlling access to linked content in electronic communications29 Sep 2026US 12,748,869 B2Proofpoint, Inc.
- Dynamically controlling access to linked content in electronic communications29 Sep 2026US 12,748,870 B2Proofpoint, Inc.
- Systems and methods for translating messages between a healthcare entity and a vendor entity15 Sep 2026US 12,738,351 B2Redox, Inc.
- Automated application programming interface (api) system and method1 Oct 2026US 2026/0300959 A1Swoop IP Holdings LLC
- Detection and prevention of external fraud27 Aug 2026US 2026/0254836 A1Abnormal AI, Inc.
- Display control device, display system, display method, and non-transitory computer-readable storage medium20 Aug 2026US 2026/0244311 A1Sharp Kabushiki Kaisha
- Adding and removing recipients of a digital communication by analyzing the content of emails received, or about to be sent, based on their effect20 Aug 2026US 2026/0246752 A1
- Computing Systems for Distributed Synchronization of Independent Data Structures13 Aug 2026US 2026/0236607 A1True South Partners, LLC
Most cited
By later US patents
- Electronic mail object synchronization between a desktop computer and mobile device1,364US 6,052,735 AMicrosoft Corporation · 2000
- Messaging system apparatuses circuits and methods of operation thereof1,083US 9,443,227 B2TigerText, Inc. · 2016
- Messaging system apparatuses circuits and methods of operation thereof1,080US 9,489,661 B2TigerText, Inc. · 2016
- System and method for pushing information from a host system to a mobile data communication device having a shared electronic address717US 6,219,694 B1Research In Motion Limited · 2001
- Method and apparatus for transmitting electronic mail attachments with attachment references668US 5,903,723 AIntel Corporation · 1999