B41F 31/20
Ink-removing or collecting devices
B41F31/20 (Ink-removing or collecting devices) appears on 119 US grants and 94 published applications in this corpus.
Search patents in B41F- Granted patents
- 119
- Published applications
- 94
- Assignees
- 71
- Inventors
- 229
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 3 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 5 |
| 2005 | 5 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 3 |
| 2014 | 2 | 5 |
| 2015 | 6 | 10 |
| 2016 | 9 | 5 |
| 2017 | 5 | 5 |
| 2018 | 5 | 6 |
| 2019 | 2 | 2 |
| 2020 | 3 | 8 |
| 2021 | 0 | 5 |
| 2022 | 6 | 10 |
| 2023 | 12 | 6 |
| 2024 | 4 | 5 |
| 2025 | 4 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for manufacturing LED reflective sheet28 Apr 2026US 12,611,856 B2Sanheung Ez Inc.
- Doctor23 Sep 2025US 12,420,542 B2Tkm Meyer GmbH
- Device for applying a fluid to a roller8 Jul 2025US 12,350,924 B2Macarbox, S.L.U.
- Solder paste bead recovery system and method11 Feb 2025US 12,220,768 B2Illinois Tool Works Inc.
- Inking system with segmented fountain roller11 Feb 2025US 12,220,904 B1Eastman Kodak Company
- Ink chamber frame structure and ink chamber device with ink return function5 Mar 2026US 2026/0061741 A1Sunrise Pacific Co., Ltd.
- Anilox Roller, Printing Unit with Anilox Roller and Method for Producing an Anilox Roller8 Jan 2026US 2026/0008265 A1
- Apparatus for manufacturing led reflective sheet31 Jul 2025US 2025/0242581 A1Sanheung Ez Inc.
- An ink reservoir and doctor blade assembly10 Oct 2024US 2024/0336059 A1Primeblade Sweden AB
- Solder printing apparatus18 Jul 2024US 2024/0238888 A1Tcs Engineering & Automation Sdn. Bhd.
Most cited
By later US patents
- Ink removal, circulating and distributing system38US 4,527,479 A1985
- Inking device for printing with greasy ink25US 4,211,167 AMachines Chambon · 1980
- Keyless inking system for offset lithographic printing press21US 4,690,055 ARockwell International Corporation · 1987
- Doctor blade and holder for metering system21US 4,735,144 A1988
- Printing unit for rotary printing presses20US 5,046,416 AHeidelberger Druckmaschinen AG · 1991