G07B 2017/00782
Hash function
Official title: {Hash function, e.g. MD5, MD2, SHA}
G07B2017/00782 (Hash function) appears on 32 US grants and 20 published applications in this corpus.
Search patents in G07B- Granted patents
- 32
- Published applications
- 20
- Assignees
- 11
- Inventors
- 39
- Latest grant
- 23 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 6 |
| 2005 | 5 | 1 |
| 2006 | 1 | 4 |
| 2007 | 5 | 3 |
| 2008 | 1 | 2 |
| 2009 | 4 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Secure on-line ticketing23 Jul 2024US 12,046,080 B2Auctane, LLC
- Secure on-line ticketing3 Mar 2020US 10,580,222 B2Stamps.com Inc.
- Method to control the use of custom images20 Feb 2018US 9,898,874 B2Pitney Bowes Inc.
- Method for providing postal items with postal prepayment impressions28 Aug 2012US 8,255,334 B2Deutsche Post AG
- Method and system for efficiently retrieving secured data by securely pre-processing provided access information12 Jan 2010US 7,647,504 B2United States Postal Service
- Secure on-line ticketing7 May 2020US 2020/0143604 A1Stamps.com Inc.
- Safety module for a franking machine2 Oct 2008US 2008/0244217 A1
- Methods and systems for providing secondary address information7 Feb 2008US 2008/0033885 A1United States Postal Service
- Secure on-line ticketing27 Dec 2007US 2007/0299684 A1Stamps.com Inc.
- Method and Apparatus for Software Authentication28 Jun 2007US 2007/0149280 A1Igt
Most cited
By later US patents
- Public key/signature cryptosystem with enhanced digital signature certification510US 4,868,877 A1989
- Public key/signature cryptosystem with enhanced digital signature certification447US 5,005,200 A1991
- Public key/signature cryptosystem with enhanced digital signature certification408US 5,214,702 A1993
- Secure user certification for electronic commerce employing value metering system171US 5,796,841 APitney Bowes Inc. · 1998
- Postal rating system with verifiable integrity142US 5,448,641 APitney Bowes Inc. · 1995