G07D 7/0053
Involving markings added to a pattern
Official title: {involving markings added to a pattern, e.g. interstitial points}
G07D7/0053 (Involving markings added to a pattern) appears on 24 US grants and 35 published applications in this corpus.
Search patents in G07D- Granted patents
- 24
- Published applications
- 35
- Assignees
- 19
- Inventors
- 58
- Latest grant
- 18 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 4 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 5 |
| 2017 | 2 | 4 |
| 2018 | 0 | 2 |
| 2019 | 3 | 1 |
| 2020 | 3 | 3 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for currency validation18 Apr 2023US 11,631,293 B2University of Louisiana at Lafayette
- Authenticating identification and security documents and other objects10 Jan 2023US 11,548,310 B2Digimarc Corporation
- Content validation document transmission27 Sep 2022US 11,455,855 B2International Business Machines Corporation
- Method for article authentication29 Mar 2022US 11,288,471 B2Chameleon Innovations Australia (CIA) Pty Ltd
- Taggant system17 Nov 2020US 10,839,634 B2Spectra Systems Corporation
- Workpiece marking9 Jun 2022US 2022/0180137 A1Homag GmbH
- Method for currency validation30 Sep 2021US 2021/0304545 A1University of Louisiana at Lafayette
- Content validation document transmission25 Mar 2021US 2021/0090371 A1International Business Machines Corporation
- Method for article authentication17 Dec 2020US 2020/0394372 A1Chameleon Innovations Australia (CIA) Pty Ltd
- Authenticating identification and security documents and other objects21 May 2020US 2020/0156400 A1Digimarc Corporation
Most cited
By later US patents
- Methods and apparatus for authentication of documents by using the intensity profile of moire patterns106US 5,995,638 AEcole Polytechnique Federale de Lausanne · 1999
- Detecting media areas likely of hosting watermarks90US 8,301,893 B2Digimarc Corporation · 2012
- Authenticating identification and security documents65US 7,856,116 B2Digimarc Corporation · 2010
- Music methods and systems63US 8,094,949 B1Digimarc Corporation · 2012
- Method and apparatus for authentication of documents by using the intensity profile of moire patterns51US 6,249,588 B1Ecole Polytechnique Federale de Lausanne · 2001