H04L 9/0827
Involving distinctive intermediate devices or communication paths
Official title: {involving distinctive intermediate devices or communication paths (network architectures or network communication protocols using different networks H04L63/18)}
H04L9/0827 (Involving distinctive intermediate devices or communication paths) appears on 526 US grants and 574 published applications in this corpus.
Search patents in H04L- Granted patents
- 526
- Published applications
- 574
- Assignees
- 312
- Inventors
- 1,261
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 5 |
| 2003 | 0 | 4 |
| 2004 | 3 | 15 |
| 2005 | 0 | 8 |
| 2006 | 6 | 5 |
| 2007 | 2 | 10 |
| 2008 | 11 | 6 |
| 2009 | 4 | 10 |
| 2010 | 8 | 17 |
| 2011 | 7 | 20 |
| 2012 | 14 | 24 |
| 2013 | 13 | 24 |
| 2014 | 34 | 22 |
| 2015 | 32 | 27 |
| 2016 | 21 | 26 |
| 2017 | 28 | 28 |
| 2018 | 16 | 31 |
| 2019 | 33 | 41 |
| 2020 | 32 | 41 |
| 2021 | 39 | 48 |
| 2022 | 54 | 57 |
| 2023 | 49 | 39 |
| 2024 | 38 | 24 |
| 2025 | 41 | 26 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- End-to-end transport layer security6 Aug 2026US 2026/0230303 A1Wells Fargo Bank, N. A.
- Facilitating Encryption Key Allocation23 Jul 2026US 2026/0213929 A1Zoom Communications, Inc.
- Network device host key verification by network controller using a cryptographic channel and a list of audit events21 May 2026US 2026/0142806 A1Cisco Technology, Inc.
- User verification system and method14 May 2026US 2026/0134424 A1Visa International Service Association
- Key processing method and apparatus, and related device23 Apr 2026US 2026/0113189 A1Huawei Cloud Computing Technologies Co., Ltd.
Most cited
By later US patents
- Application level security system and method542US 5,602,918 AVirtual Open Network Environment Corp. · 1997
- Method and apparatus for establishing a secure connection over a one-way data path360US 6,317,831 B1Openwave Systems Inc. · 2001
- Method and apparatus for authentication of client server communication209US 5,349,642 ANovell, Inc. · 1994
- Encryption method and system for portable data180US 5,623,546 AMotorola, Inc. · 1997
- Scramble/descramble method and apparatus for data broadcasting169US 5,917,915 ASony Corporation · 1999