B42D 25/44
Using mechanical means
Official title: using mechanical means, e.g. engraving
B42D25/44 (Using mechanical means) appears on 37 US grants and 50 published applications in this corpus.
Search patents in B42D- Granted patents
- 37
- Published applications
- 50
- Assignees
- 33
- Inventors
- 112
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 5 |
| 2020 | 4 | 3 |
| 2021 | 5 | 10 |
| 2022 | 4 | 4 |
| 2023 | 5 | 5 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for the generation and usage of authentication images in conjunction with low-resolution print devices16 Jun 2026US 12,659,414 B2Proof Authentication Corporation
- Thin film, method of producing the thin film, and product comprising the thin film16 Dec 2025US 12,496,848 B2Nanyang Technological University
- Applying and using unique unclonable physical identifiers4 Feb 2025US 12,214,613 B2DUST Identity, Inc.
- Micro-optic security device with zones of color4 Feb 2025US 12,214,614 B2Crane Co.
- Device for displaying one or more transient animated images from three-dimensional microstructures and uses of such a device19 Mar 2024US 11,932,043 B2Karmic SàRl
- Method for manufacturing a security device, security device obtained by such a method, and identity document comprising such a device30 Jul 2026US 2026/0217050 A1IN Smart Identity France
- Applying and Using Unique Unclonable Physical Identifiers17 Jul 2025US 2025/0229563 A1DUST Identity, Inc.
- Data carrier in card form and method for producing a data carrier in card form20 Mar 2025US 2025/0094760 A1Giesecke+Devrient Epayments GmbH
- Method for the production of a security feature, security feature for a data medium, data medium, and lamination sheet24 Oct 2024US 2024/0354541 A1Giesecke+Devrient Epayments GmbH
- Biodegradable cards and systems and methods for making the same16 May 2024US 2024/0160882 A1Capital One Services, LLC
Most cited
By later US patents
- Optical device and methods of manufacture15US 7,281,810 B2The Commonwealth of Australia Commonwealth Scientific and Industrial Research Organisation · 2007
- Engraved image identification card with opaque cover layer8US 4,451,068 ACalifornia Interface and Software Limited Partnership · 1984
- Transaction card having features for easy removal from wallet7US 10,083,383 B1Capital One Services, LLC · 2018
- Synthesis of superposition shape images by light interacting with layers of lenslets6US 10,286,716 B2Ecole Polytechnique Fédérale Lausanne (EPFL) · 2019
- Double engraved identification card6US 4,415,612 ACalifornia Interface and Software Limited Partnership · 1983