B41F 31/00
Inking arrangements or devices
Official title: Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81)
B41F31/00 (Inking arrangements or devices) appears on 1,863 US grants and 1,047 published applications in this corpus.
Search patents in B41F- Granted patents
- 1,863
- Published applications
- 1,047
- Assignees
- 580
- Inventors
- 2,385
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 37 | 0 |
| 1978 | 19 | 0 |
| 1979 | 23 | 0 |
| 1980 | 22 | 0 |
| 1981 | 16 | 0 |
| 1982 | 30 | 0 |
| 1983 | 50 | 0 |
| 1984 | 45 | 0 |
| 1985 | 53 | 0 |
| 1986 | 45 | 0 |
| 1987 | 37 | 0 |
| 1988 | 31 | 0 |
| 1989 | 35 | 0 |
| 1990 | 31 | 0 |
| 1991 | 67 | 0 |
| 1992 | 64 | 0 |
| 1993 | 49 | 0 |
| 1994 | 48 | 0 |
| 1995 | 55 | 0 |
| 1996 | 29 | 0 |
| 1997 | 37 | 0 |
| 1998 | 51 | 0 |
| 1999 | 45 | 0 |
| 2000 | 54 | 0 |
| 2001 | 30 | 37 |
| 2002 | 58 | 51 |
| 2003 | 73 | 47 |
| 2004 | 64 | 45 |
| 2005 | 31 | 50 |
| 2006 | 36 | 53 |
| 2007 | 23 | 54 |
| 2008 | 22 | 51 |
| 2009 | 23 | 49 |
| 2010 | 17 | 28 |
| 2011 | 21 | 33 |
| 2012 | 20 | 53 |
| 2013 | 26 | 37 |
| 2014 | 37 | 38 |
| 2015 | 46 | 65 |
| 2016 | 51 | 44 |
| 2017 | 38 | 32 |
| 2018 | 32 | 39 |
| 2019 | 23 | 27 |
| 2020 | 25 | 42 |
| 2021 | 22 | 41 |
| 2022 | 43 | 45 |
| 2023 | 40 | 25 |
| 2024 | 30 | 28 |
| 2025 | 22 | 21 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41F 31/02Ducts, containers, supply or metering devices1,049
- B41F 31/30Arrangements for tripping, lifting, adjusting, or removing inking rollers235
- B41F 31/26Construction of inking rollers161
- B41F 31/15Devices for moving vibrator-rollers137
- B41F 31/20Ink-removing or collecting devices119
- B41F 31/002Heating or cooling of ink or ink rollers105
- B41F 31/004Driving means for ink rollers80
- B41F 31/18Inking arrangements or devices: for inking selected parts of printing formes64
All 16 subgroupsShow fewer
- B41F 31/22Inking arrangements or devices: for inking from interior of cylinder52
- B41F 31/005Ink viscosity control means39
- B41F 31/28Spray apparatus28
- B41F 31/007Removing water from ink trains23
- B41F 31/24Absorbent pads17
- B41F 31/16Continuous16
- B41F 31/008Inking devices for reversible printing presses13
- B41F 31/001Ink mist preventing means12
Recent patents
- Apparatus, system and method of automatic registration and color adjustment based upon machine elements and ambient parameters8 Sep 2026US 12,728,646 B2Stolle Machinery Company, LLC
- Substrate and system for printing security symbols on substrate using microprinting techniques19 May 2026US 12,629,955 B2The Government of the United States of America, as represented by the Secretary of Homeland Security
- Apparatus for manufacturing LED reflective sheet28 Apr 2026US 12,611,856 B2Sanheung Ez Inc.
- Method and system for characterizing a printing plate on a press10 Mar 2026US 12,570,085 B2Advanced Vision Technology (A. V. T.) Ltd.
- Solder paste dispensing feedback system and circuit board printer using the same10 Feb 2026US 12,544,847 B2Illinois Tool Works Inc.
- 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
- 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
Most cited
By later US patents
- Printing and die-cutting apparatus77US 4,236,955 A1980
- Paste feeding apparatus67US 5,265,773 AKabushiki Kaisha Marukomu · 1993
- Image scan and ink control system65US 3,958,509 AHarris Corporation · 1976
- Inking system for printing machines54US 3,956,986 AGrapho Metronic GmbH & Co. · 1976
- Surface layer structure of an ink transfer device54US 4,336,767 ABando Chemical Industries, Ltd. · 1982