H04L 9/0819
Key transport or distribution, i.e. key establishment techniques where one party creates
Official title: {Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network H04L63/062)}
H04L9/0819 (Key transport or distribution, i.e. key establishment techniques where one party creates) appears on 11,681 US grants and 13,742 published applications in this corpus.
Search patents in H04L- Granted patents
- 11,681
- Published applications
- 13,742
- Assignees
- 3,242
- Inventors
- 20,969
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 12 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 19 | 0 |
| 1996 | 14 | 0 |
| 1997 | 21 | 0 |
| 1998 | 37 | 0 |
| 1999 | 38 | 0 |
| 2000 | 40 | 0 |
| 2001 | 41 | 25 |
| 2002 | 32 | 95 |
| 2003 | 24 | 126 |
| 2004 | 35 | 138 |
| 2005 | 44 | 221 |
| 2006 | 95 | 211 |
| 2007 | 114 | 264 |
| 2008 | 123 | 277 |
| 2009 | 145 | 295 |
| 2010 | 191 | 269 |
| 2011 | 197 | 252 |
| 2012 | 263 | 294 |
| 2013 | 323 | 325 |
| 2014 | 452 | 406 |
| 2015 | 392 | 380 |
| 2016 | 427 | 458 |
| 2017 | 440 | 562 |
| 2018 | 443 | 689 |
| 2019 | 656 | 897 |
| 2020 | 817 | 1144 |
| 2021 | 966 | 1287 |
| 2022 | 1156 | 1236 |
| 2023 | 1130 | 1173 |
| 2024 | 1152 | 1036 |
| 2025 | 1133 | 862 |
| 2026 | 643 | 820 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for region-specific sub-tokenization in cryptographic transaction processing6 Oct 2026US 12,754,690 B2Vannadium, Inc.
- Digital identity sign-in6 Oct 2026US 12,754,983 B2Early Warning Services, LLC
- Query information processing method for fully homomorphic encrypted database using plaintext index and computing device for performing the same6 Oct 2026US 12,755,048 B2Supergate Co., Ltd.
- Data encryption at a personal data sharing platform6 Oct 2026US 12,755,050 B2Tartle PBC
- Protection of a circuit design within a design container6 Oct 2026US 12,755,059 B2Xilinx, Inc.
- Data transfer between two data processing units8 Oct 2026US 2026/0310804 A1Siemens Aktiengesellschaft
- Transferring digital wallets8 Oct 2026US 2026/0311164 A1American Express Travel Related Services Company, Inc.
- Ciphertext header-based data security8 Oct 2026US 2026/0312789 A1T-Mobile Innovations LLC
- Attribute-based probabilistic filter configuration for key-value lookup handling8 Oct 2026US 2026/0312790 A1VMware, Inc.
- Data migration using an orchestrator generated data migration transcript with trustee as a service8 Oct 2026US 2026/0312791 A1Dell Products L. P.
Most cited
By later US patents
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- Electronic content delivery system1,734US 6,226,618 B1International Business Machines Corporation · 2001
- System and method for scheduling broadcast of and access to video programs and other data using customer profiles1,609US 5,758,257 A1998
- System for generation of object profiles for a system for customized electronic identification of desirable objects1,475US 5,835,087 A1998
- Secure online music distribution system1,448US 6,385,596 B1Liquid Audio, Inc. · 2002