B42D 25/42
By photographic processes
Official title: by photographic processes
B42D25/42 (By photographic processes) appears on 109 US grants and 62 published applications in this corpus.
Search patents in B42D- Granted patents
- 109
- Published applications
- 62
- Assignees
- 67
- Inventors
- 204
- Latest grant
- 27 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 3 | 3 |
| 2011 | 4 | 3 |
| 2012 | 0 | 5 |
| 2013 | 3 | 2 |
| 2014 | 4 | 5 |
| 2015 | 2 | 5 |
| 2016 | 2 | 2 |
| 2017 | 4 | 8 |
| 2018 | 4 | 5 |
| 2019 | 10 | 5 |
| 2020 | 6 | 2 |
| 2021 | 3 | 3 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multilayer identification patches27 Jun 2023US 11,685,181 B2Tier 1 Transnational LLC
- Security device and method of manufacture thereof20 Dec 2022US 11,529,823 B2De La Rue International Limited
- Credit card with chromogenic features4 Jan 2022US 11,216,711 B2Capital One Services, LLC
- Security devices and methods of manufacturing image patterns for security devices13 Jul 2021US 11,059,319 B2De La Rue International Limited
- Method for producing a multilayer element, and multilayer element23 Feb 2021US 10,926,571 B2Leonhard Kurz Stiftung & Co. KG
- Multilayer Identification Patches21 Jul 2022US 2022/0227161 A1Tier 1 Transnational LLC
- Sheet assembly for forming one or more cards28 Apr 2022US 2022/0126621 A1Illinois Tool Works Inc.
- Method for producing a security element having two security features and use of the method5 Aug 2021US 2021/0237499 A1Covestro Deutschland AG
- Security device and method of manufacture thereof1 Jul 2021US 2021/0197610 A1De La Rue International Limited
- Method for authenticating a forgery-proof object8 Apr 2021US 2021/0101401 A1Hapa AG
Most cited
By later US patents
- Security system for photographic identification393US 5,841,886 ADigimarc Corporation · 1998
- Transparent reflection-type340US 4,856,857 ADai Nippon Insatsu Kabushiki Kaisha · 1989
- System for forming picture, alphanumeric and micrographic images on the surface of a plastic card183US 4,675,746 AData Card Corporation · 1987
- Security document having a transparent or translucent support and containing interference pigments79US 6,210,777 B1Agfa-Gevaert · 2001
- Methods for producing imaged coated articles by using magnetic pigments76US 6,759,097 B2Flex Products, Inc. · 2004