B41F 5/24
Rotary letterpress machines: for flexographic printing
Official title: for flexographic printing
B41F5/24 (Rotary letterpress machines: for flexographic printing) appears on 361 US grants and 376 published applications in this corpus.
Search patents in B41F- Granted patents
- 361
- Published applications
- 376
- Assignees
- 204
- Inventors
- 709
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 6 |
| 2003 | 10 | 7 |
| 2004 | 7 | 7 |
| 2005 | 0 | 9 |
| 2006 | 4 | 9 |
| 2007 | 4 | 3 |
| 2008 | 1 | 6 |
| 2009 | 2 | 7 |
| 2010 | 2 | 9 |
| 2011 | 1 | 14 |
| 2012 | 2 | 10 |
| 2013 | 4 | 9 |
| 2014 | 6 | 28 |
| 2015 | 22 | 34 |
| 2016 | 26 | 29 |
| 2017 | 13 | 24 |
| 2018 | 17 | 16 |
| 2019 | 16 | 19 |
| 2020 | 16 | 11 |
| 2021 | 10 | 27 |
| 2022 | 22 | 28 |
| 2023 | 23 | 14 |
| 2024 | 17 | 24 |
| 2025 | 17 | 17 |
| 2026 | 14 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electroluminescent flexographic printing ink and preparation method thereof22 Sep 2026US 12,742,079 B2Beijing Institute of Graphic Communication
- Converting machine with inversion transfer module1 Sep 2026US 12,722,924 B2Bobst Lyon
- Systems and methods for fabricating tote bags7 Jul 2026US 12,673,477 B2Freedom, Inc.
- Washout processor and washing method23 Jun 2026US 12,663,723 B2FUJIFILM Corporation
- Method of operating a flexographic printing press, flexographic printing press, system, and sleeve for a flexographic printing forme16 Jun 2026US 12,654,434 B2Heidelberger Druckmaschinen AG
- A method for producing a web of packaging material and an apparatus thereof17 Sep 2026US 2026/0274490 A1Tetra Laval Holdings & Finance S. A.
- Chambered doctor-blade seal assembly, doctor-blade chamber seal, and method for same3 Sep 2026US 2026/0257468 A1Agergaard Graphic Supplies GmbH
- Printing unit and method to change printing rollers in a printing unit13 Aug 2026US 2026/0233510 A1Bobst Firenze S.R.L.
- Device for processing sheets and/or webs30 Jul 2026US 2026/0217016 A1Kolbus Group GmbH
- Printing plate for transferring an ink, printing system, and method for printing on a container11 Jun 2026US 2026/0158778 A1Ardagh Metal Packaging Europe GmbH
Most cited
By later US patents
- Multi-color rotary press49US 4,361,089 AMagna-Graphics Corporation · 1982
- Automated printing press with reinsertion registration control45US 5,570,633 AComco Machinery, Inc. · 1996
- Substrate printed by a single substrate, repeat-pass printing process40US 5,566,616 AKimberly-Clark Corporation · 1996
- Single substrate, repeat-pass printing process36US 5,562,037 AKimberly-Clark Corporation · 1996
- System for the printing of small flat objects using direct rotary printing apparatus36US 5,730,048 A1998