B41F 13/18
Impression cylinders
B41F13/18 (Impression cylinders) appears on 78 US grants and 64 published applications in this corpus.
Search patents in B41F- Granted patents
- 78
- Published applications
- 64
- Assignees
- 59
- Inventors
- 181
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 4 |
| 2003 | 2 | 1 |
| 2004 | 4 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 4 | 2 |
| 2014 | 2 | 4 |
| 2015 | 3 | 6 |
| 2016 | 5 | 7 |
| 2017 | 1 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 3 |
| 2020 | 3 | 0 |
| 2021 | 3 | 4 |
| 2022 | 0 | 0 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for manufacturing LED reflective sheet28 Apr 2026US 12,611,856 B2Sanheung Ez Inc.
- Cylinder for a sheet-treating and/or sheet-processing machine with suction air openings and machine for treating and/or processing sheet-format substrate comprising such a cylinder12 Aug 2025US 12,384,144 B2Koenig & Bauer Aktiengesellschaft
- Method for automatically exchanging a sleeve of a printing tool22 Oct 2024US 12,122,145 B2Bobst Bielefeld GmbH
- Flexographic printing device and a method of simultaneously printing at least two material webs having different thicknesses7 Nov 2023US 11,806,986 B2Essity Hygiene and Health Aktiebolag
- Continuous sublimation transfer method using a vacuum suction roller30 May 2023US 11,660,854 B2Duksung Co., Ltd.
- Printing unit and method to change printing rollers in a printing unit13 Aug 2026US 2026/0233510 A1Bobst Firenze S.R.L.
- Method for operating a printing machine for flexographic printing27 Nov 2025US 2025/0360705 A1Heidelberger Druckmaschinen AG
- Sheet, sheet printing method, sheet printing device and inflatable product2 Oct 2025US 2025/0305212 A1
- Apparatus for manufacturing led reflective sheet31 Jul 2025US 2025/0242581 A1Sanheung Ez Inc.
- Cylinder for a sheet-treating and/or sheet-processing machine with suction air openings and machine for treating and/or processing sheet-format substrate comprising such a cylinder29 May 2025US 2025/0170817 A1Koenig & Bauer Aktiengesellschaft
Most cited
By later US patents
- Printing-machine cylinder, especially an impression cylinder, for a sheet-fed rotary printing machine, and method of production67US 6,581,517 B1Heidelberger Druckmaschinen AG · 2003
- Deflection compensating roll for providing uniform contact pressure27US 4,487,122 AGravure Research Institute, Inc. · 1984
- Method for printing cards having blind hole-shaped recesses and an apparatus for carrying out the method23US 5,463,953 AGAO Gesellschaft fur Automation und Organisation mbH · 1995
- Impression cylinder with domelike surface portions of uniform height22US 5,042,383 AHeidelberger Druckmaschinen AG · 1991
- Apparatus for bending a pressure roll of a rotary printing press21US 4,372,205 AMAN Roland Druckmaschinen AG · 1983