H04L 63/0428
Wherein the data content is protected
Official title: {wherein the data content is protected, e.g. by encrypting or encapsulating the payload}
H04L63/0428 (Wherein the data content is protected) appears on 24,905 US grants and 28,648 published applications in this corpus.
Search patents in H04L- Granted patents
- 24,905
- Published applications
- 28,648
- Assignees
- 6,264
- Inventors
- 40,150
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 31 | 0 |
| 1998 | 52 | 0 |
| 1999 | 85 | 0 |
| 2000 | 100 | 0 |
| 2001 | 119 | 113 |
| 2002 | 117 | 608 |
| 2003 | 110 | 638 |
| 2004 | 171 | 659 |
| 2005 | 238 | 771 |
| 2006 | 412 | 826 |
| 2007 | 421 | 799 |
| 2008 | 417 | 737 |
| 2009 | 492 | 662 |
| 2010 | 610 | 691 |
| 2011 | 629 | 625 |
| 2012 | 697 | 766 |
| 2013 | 794 | 907 |
| 2014 | 1077 | 1244 |
| 2015 | 1192 | 1385 |
| 2016 | 1365 | 1769 |
| 2017 | 1546 | 1964 |
| 2018 | 1552 | 1893 |
| 2019 | 1858 | 1897 |
| 2020 | 1847 | 1973 |
| 2021 | 1902 | 1740 |
| 2022 | 1847 | 1575 |
| 2023 | 1703 | 1462 |
| 2024 | 1471 | 1197 |
| 2025 | 1304 | 1026 |
| 2026 | 691 | 721 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 63/0442Wherein the sending and receiving network entities apply asymmetric encryption, i.e. different3,949
- H04L 63/0435Wherein the sending and receiving network entities apply symmetric encryption, i.e. same3,259
- H04L 63/0492By using a location-limited connection1,189
- H04L 63/045Wherein the sending and receiving network entities apply hybrid encryption, i.e. combination911
- H04L 63/0471Applying encryption by an intermediary879
- H04L 63/0485Networking architectures for enhanced packet encryption processing844
- H04L 63/0464Using hop-by-hop encryption, i.e. wherein an intermediate entity decrypts the information and807
- H04L 63/0457Wherein the sending and receiving network entities apply dynamic encryption553
All 9 subgroupsShow fewer
Recent patents
- Data encryption at a personal data sharing platform6 Oct 2026US 12,755,050 B2Tartle PBC
- Authentication-gaining apparatus, authentication apparatus, authentication request transmitting method, authentication method, and program6 Oct 2026US 12,755,277 B2Sinumy Corporation
- Anonymous data retrieval method, client and server6 Oct 2026US 12,756,537 B2Lenovo (Beijing) Limited
- Method, apparatus, and system for training tree model6 Oct 2026US 12,756,541 B2Huawei Technologies Co., Ltd.
- System and method for establishing a quantum resistant temporal encryption and data aging communications protocol6 Oct 2026US 12,756,554 B2Bank of America Corporation
- Independent sequence processing to facilitate security between nodes in wireless networks8 Oct 2026US 2026/0312619 A1Texas Instruments Incorporated
- Method for cooperatively filtering data traffic in a communication network8 Oct 2026US 2026/0312935 A1
- Hardware architecture for efficient inline ipsec in hybrid platform8 Oct 2026US 2026/0312941 A1Cisco Technology, Inc.
- Archival message content inspection for encrypted messaging systems and applications8 Oct 2026US 2026/0312942 A1T-Mobile Innovations LLC
- Battery-less energy harvesting tag (etag) payload decryption at electronic labels8 Oct 2026US 2026/0312943 A1QUALCOMM Incorporated
Most cited
By later US patents
- Determining the visibility to a remote database client2,367US 6,233,617 B1Siebel Systems, Inc. · 2001
- Electronic content delivery system1,734US 6,226,618 B1International Business Machines Corporation · 2001
- Computer-based communication system and method using metadata defining a control structure1,718US 5,862,325 AIntermind Corporation · 1999
- Camouflage of network traffic to resist attack1,574US 7,171,493 B2The Charles Stark Draper Laboratory, Inc. · 2007
- Data security system and method for separation of user communities1,552US 7,140,044 B2Digital Doors, Inc. · 2006