H04L 2209/20
Manipulating the length of blocks of bits
Official title: Manipulating the length of blocks of bits, e.g. padding or block truncation
H04L2209/20 (Manipulating the length of blocks of bits) appears on 371 US grants and 435 published applications in this corpus.
Search patents in H04L- Granted patents
- 371
- Published applications
- 435
- Assignees
- 187
- Inventors
- 619
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 5 |
| 2002 | 2 | 29 |
| 2003 | 3 | 12 |
| 2004 | 4 | 22 |
| 2005 | 5 | 35 |
| 2006 | 16 | 19 |
| 2007 | 15 | 28 |
| 2008 | 26 | 46 |
| 2009 | 22 | 31 |
| 2010 | 29 | 35 |
| 2011 | 26 | 31 |
| 2012 | 29 | 14 |
| 2013 | 35 | 12 |
| 2014 | 28 | 13 |
| 2015 | 11 | 13 |
| 2016 | 9 | 10 |
| 2017 | 9 | 6 |
| 2018 | 8 | 10 |
| 2019 | 15 | 10 |
| 2020 | 4 | 16 |
| 2021 | 11 | 8 |
| 2022 | 10 | 8 |
| 2023 | 9 | 9 |
| 2024 | 13 | 9 |
| 2025 | 7 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Achieving high SSL/TLS throughput in embedded devices12 May 2026US 12,627,502 B2Silicon Laboratories Inc.
- L1 encryption of openZR+ framed optical transport17 Feb 2026US 12,556,376 B21FINITY Inc.
- Techniques for securely communicating sensitive data for disparate data messages20 Jan 2026US 12,531,839 B2Visa International Service Association
- System and method facilitating encryption preserving format as a distributed processing library23 Dec 2025US 12,505,232 B2Jio Platforms Limited
- Solid-state drive with multimode compression and error correction24 Jun 2025US 12,339,745 B1Scaleflux, Inc.
- Padding data16 Apr 2026US 2026/0105165 A1STMicroelectronics International N. V.
- Polymorphic Digital Security and Methods of Use Thereof31 Jul 2025US 2025/0247250 A1Quantum Information Security, LLC
- Multi-party cryptographic systems and methods5 Jun 2025US 2025/0184114 A1Intertrust Technologies Corporation
- Achieving high ssl/tls throughput in embedded devices29 May 2025US 2025/0175343 A1Silicon Laboratories Inc.
- Methods, architectures, apparatuses and systems for concealing data19 Dec 2024US 2024/0422554 A1InterDigital Patent Holdings, Inc.
Most cited
By later US patents
- Authentication system using one-time passwords458US 5,592,553 AInternational Business Machines Corporation · 1997
- Pseudorandom number generation and cryptographic authentication456US 5,363,448 AUnited Technologies Automotive, Inc. · 1994
- Cryptographic co-processor323US 6,704,871 B1SafeNet, Inc. · 2004
- Cryptographic authentication of transmitted messages using pseudorandom numbers312US 5,377,270 AUnited Technologies Automotive, Inc. · 1994
- Methods for identifying malicious software303US 7,644,441 B2Cigital · 2010