B42D 25/346
Perforations
B42D25/346 (Perforations) appears on 118 US grants and 142 published applications in this corpus.
Search patents in B42D- Granted patents
- 118
- Published applications
- 142
- Assignees
- 93
- Inventors
- 291
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 4 | 1 |
| 2005 | 0 | 5 |
| 2006 | 2 | 2 |
| 2007 | 2 | 6 |
| 2008 | 2 | 9 |
| 2009 | 1 | 2 |
| 2010 | 4 | 6 |
| 2011 | 1 | 2 |
| 2012 | 3 | 5 |
| 2013 | 3 | 7 |
| 2014 | 4 | 11 |
| 2015 | 4 | 10 |
| 2016 | 6 | 12 |
| 2017 | 11 | 4 |
| 2018 | 8 | 7 |
| 2019 | 6 | 5 |
| 2020 | 7 | 6 |
| 2021 | 3 | 7 |
| 2022 | 3 | 7 |
| 2023 | 2 | 9 |
| 2024 | 6 | 7 |
| 2025 | 7 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transfer security element material and value document comprising a security element6 Oct 2026US 12,752,567 B2Giesecke+Devrient Currency Technology GmbH
- Personalised image formed from a metal layer and a lenticular array28 Jul 2026US 12,691,701 B2Idemia Identity & Security France
- Security document comprising a perforated opaque layer with a white appearance above a matrix of coloured sub-pixels17 Feb 2026US 12,552,194 B2Idemia Identity & Security France
- Optical device with holographic layer23 Dec 2025US 12,504,572 B2Idemia Identity & Security France
- Evaluating perforations on document images8 Jul 2025US 12,350,952 B2Jumio Corporation
- Security document comprising a subpixel pattern25 Jun 2026US 2026/0178859 A1Idemia Identity & Security France
- Lens-less laser engraved motion image in look-through element4 Jun 2026US 2026/0152019 A1Idemia Identity & Security USA LLC
- Transfer security element material and value document comprising a security element4 Jun 2026US 2026/0152020 A1Giesecke+Devrient Currency Technology GmbH
- Security element with colour-producing nanostructures and production method therefor5 Mar 2026US 2026/0061769 A1Giesecke+Devrient Currency Technology GmbH
- Recording body and article4 Dec 2025US 2025/0367958 A1Sony Group Corporation
Most cited
By later US patents
- Security paper with color mark145US 5,449,200 ADomtar Inc. · 1995
- Coin-discriminator voucher anti-counterfeiting method and apparatus134US 6,349,972 B1Coinstar, Inc. · 2002
- Printable coplanar laminates and method of making same128US 5,842,722 A1998
- Tape data carrier, method and device for manufacturing the same74US 6,328,342 B12001
- Veri mag pack67US 5,842,629 A1998