H04L 51/216
Handling conversation history
Official title: Handling conversation history, e.g. grouping of messages in sessions or threads
H04L51/216 (Handling conversation history) appears on 3,536 US grants and 4,215 published applications in this corpus.
Search patents in H04L- Granted patents
- 3,536
- Published applications
- 4,215
- Assignees
- 905
- Inventors
- 7,394
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 8 |
| 2002 | 5 | 21 |
| 2003 | 4 | 27 |
| 2004 | 16 | 22 |
| 2005 | 6 | 31 |
| 2006 | 16 | 34 |
| 2007 | 14 | 34 |
| 2008 | 14 | 43 |
| 2009 | 23 | 83 |
| 2010 | 39 | 53 |
| 2011 | 54 | 107 |
| 2012 | 65 | 97 |
| 2013 | 79 | 122 |
| 2014 | 98 | 156 |
| 2015 | 107 | 186 |
| 2016 | 184 | 341 |
| 2017 | 218 | 351 |
| 2018 | 234 | 350 |
| 2019 | 316 | 333 |
| 2020 | 388 | 308 |
| 2021 | 401 | 281 |
| 2022 | 321 | 297 |
| 2023 | 310 | 292 |
| 2024 | 294 | 265 |
| 2025 | 214 | 224 |
| 2026 | 109 | 149 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for processing work activity based on work object29 Sep 2026US 12,749,049 B2Delta Pds Co., Ltd.
- System and method for graph-based conversational-flow editing29 Sep 2026US 12,750,331 B2Salescloser Holdings Ltd.
- System and method for multivariate testing of messages to subgroup in a one-to-many messaging platform22 Sep 2026US 12,744,754 B2Community.com, Inc.
- System and method of creating and organizing private chat messages15 Sep 2026US 12,739,141 B2Nextiva, Inc.
- Methods, apparatuses, systems and storage media for processing a link in a conversation15 Sep 2026US 12,739,218 B2Beijing Zitiao Network Technology Co., Ltd.
- Topic-Based Synchronization Of A Chat Interface With An Information Interface8 Oct 2026US 2026/0312925 A1Oracle International Corporation
- Risk-based event prediction and alert with visualized process flow8 Oct 2026US 2026/0312927 A1International Business Machines Corporation
- Systems and methods for evaluating and displaying subject-specific compliance standard information8 Oct 2026US 2026/0312928 A1Ac Infotech Inc.
- Obscuring elements based on user input1 Oct 2026US 2026/0300543 A1Snap Inc.
- Enabling message archiving on encrypted message groups1 Oct 2026US 2026/0303558 A1Sentriqs, Inc.
Most cited
By later US patents
- Messaging system and method1,123US 8,332,475 B2Triplay Communications Ltd. · 2012
- Messaging system and method1,086US 9,100,807 B2Triplay, Inc. · 2015
- Messaging system and method1,084US 8,874,677 B2Triplay Communications Ltd. · 2014
- Messaging system and method1,083US 9,491,134 B2Triplay, Inc. · 2016
- Messaging system and method1,082US 9,055,416 B2Triplay, Inc. · 2015