B41F
Printing machines or presses
Official title: PRINTING MACHINES OR PRESSES (manifolding devices or office printing machines B41L)
B41F (Printing machines or presses) appears on 13,255 US grants and 8,509 published applications in this corpus.
Search patents in B41F- Granted patents
- 13,255
- Published applications
- 8,509
- Assignees
- 3,455
- Inventors
- 16,150
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 219 | 0 |
| 1977 | 209 | 0 |
| 1978 | 187 | 0 |
| 1979 | 117 | 0 |
| 1980 | 162 | 0 |
| 1981 | 137 | 0 |
| 1982 | 147 | 0 |
| 1983 | 216 | 0 |
| 1984 | 203 | 0 |
| 1985 | 235 | 0 |
| 1986 | 214 | 0 |
| 1987 | 235 | 0 |
| 1988 | 217 | 0 |
| 1989 | 279 | 0 |
| 1990 | 270 | 0 |
| 1991 | 328 | 0 |
| 1992 | 348 | 0 |
| 1993 | 315 | 0 |
| 1994 | 302 | 0 |
| 1995 | 329 | 0 |
| 1996 | 317 | 0 |
| 1997 | 324 | 0 |
| 1998 | 448 | 0 |
| 1999 | 349 | 0 |
| 2000 | 344 | 0 |
| 2001 | 339 | 185 |
| 2002 | 360 | 364 |
| 2003 | 386 | 332 |
| 2004 | 410 | 369 |
| 2005 | 254 | 387 |
| 2006 | 237 | 379 |
| 2007 | 167 | 424 |
| 2008 | 162 | 417 |
| 2009 | 178 | 390 |
| 2010 | 179 | 332 |
| 2011 | 197 | 329 |
| 2012 | 189 | 286 |
| 2013 | 229 | 325 |
| 2014 | 316 | 382 |
| 2015 | 341 | 412 |
| 2016 | 379 | 374 |
| 2017 | 278 | 358 |
| 2018 | 272 | 363 |
| 2019 | 264 | 343 |
| 2020 | 314 | 331 |
| 2021 | 274 | 340 |
| 2022 | 281 | 299 |
| 2023 | 252 | 251 |
| 2024 | 243 | 231 |
| 2025 | 200 | 175 |
| 2026 | 103 | 131 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B41F 13/00Common details of rotary presses or machines2,721
- B41F 33/00Indicating, counting, warning, control or safety devices1,977
- B41F 15/00Screen printers1,937
- B41F 31/00Inking arrangements or devices1,863
- B41F 17/00Printing apparatus or machines of special types or for particular purposes, not1,545
- B41F 27/00Devices for attaching printing elements or formes to supports1,209
- B41F 23/00Devices for treating the surfaces of sheets, webs, or other articles in1,022
- B41F 7/00Rotary lithographic machines874
All 20 main groupsShow fewer
- B41F 21/00Devices for conveying sheets through printing apparatus or machines829
- B41F 35/00Cleaning arrangements or devices724
- B41F 19/00Apparatus or machines for carrying out printing operations combined with other operations603
- B41F 16/00Transfer printing apparatus600
- B41F 5/00Rotary letterpress machines441
- B41F 9/00Rotary intaglio printing presses420
- B41F 11/00Rotary presses or machines having forme cylinders carrying a plurality of printing216
- B41F 3/00Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with193
- B41F 30/00Devices for attaching coverings or make-ready devices176
- B41F 22/00Means preventing smudging of machine parts or printed articles131
- B41F 1/00Platen presses, i.e. presses in which printing is effected by at least122
- B41F 25/00Devices for pressing sheets or webs against cylinders51
Recent patents
- Foil stamping die for manufacturing vehicle interior component6 Oct 2026US 12,752,330 B2Moriroku Kabushiki Kaisha
- Moistening device, recording system, and intermediate unit29 Sep 2026US 12,746,744 B2Seiko Epson Corporation
- Method of manufacturing a display module29 Sep 2026US 12,750,964 B2Samsung Display Co., Ltd.
- Electroluminescent flexographic printing ink and preparation method thereof22 Sep 2026US 12,742,079 B2Beijing Institute of Graphic Communication
- Method and apparatus for printing radiopaque indicia15 Sep 2026US 12,734,795 B2Medical Components, Inc.
- Reusable cliché tape for removably attaching a flexographic printing cliché8 Oct 2026US 2026/0307418 A1ORAFOL Europe GmbH
- Substrate with Varying Saturations of Offset Printing Utilizing Image Movement8 Oct 2026US 2026/0307420 A1The Government of the United States of America, as represented by the Secretary of Homeland Security
- Ink cup assembly with non-magnetic force mechanism1 Oct 2026US 2026/0295990 A1Acushnet Company
- Fabric printing on nested patterns, and associated print systems and products thereof1 Oct 2026US 2026/0296056 A1Fiery, LLC
- Method and system of sublimatic printing a hollow body1 Oct 2026US 2026/0296082 A1Atiu S.R.L.
Most cited
By later US patents
- Flow-dividing arrangement462US 5,992,453 A1999
- Device for eliminating effect of bearing play in printing press cylinders445US 4,149,461 ARoland Offsetmaschinenfabrik Faber & Schleicher AG · 1979
- Process for assessing the quality of a printed product212US 4,311,914 AGretag Aktiengesellschaft · 1982
- Card assembly apparatus192US 5,080,748 ABostec Systems, Inc. · 1992
- Non-contact transfer printing158US 9,555,644 B2The Board of Trustees of the University of Illinois · 2017