B41F 31/03
Ink agitators
B41F31/03 (Ink agitators) appears on 25 US grants and 11 published applications in this corpus.
Search patents in B41F- Granted patents
- 25
- Published applications
- 11
- Assignees
- 19
- Inventors
- 66
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Stirring device with a pedestal that rotatably supports a rotary member and support member5 Sep 2023US 11,745,152 B2Seiko Epson Corporation
- Ink delivery system and method28 Jul 2020US 10,723,120 B2Goss International Americas, Inc.
- Liquid discharger and liquid stirring method31 Dec 2019US 10,518,547 B2Ricoh Company, Ltd.
- Mixing device comprising at least four outlet arms having diverse vertical angles28 Aug 2018US 10,058,831 B2Windmoller & Holscher
- Doctor-type ink fountain having a rear wall in a printing press and printing press having a doctor-type ink fountain29 Dec 2015US 9,221,243 B2Heidelberger Druckmaschinen AG
- Heating drum for thermal transfer and method for manufacturing the same17 Apr 2025US 2025/0121594 A1Kyungil-Tech Co., Ltd.
- Stirring device16 Jul 2020US 2020/0222867 A1Seiko Epson Corporation
- Automatic ink color blending apparatus16 May 2019US 2019/0143285 A1
- Ink delivery system and method1 Feb 2018US 2018/0029354 A1Goss International Americas, Inc.
- Liquid discharger and liquid stirring method30 Nov 2017US 2017/0341407 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Inking bar for flush inking unit15US 4,958,561 AKoenig & Bauer Aktiengesellschaft · 1990
- Stirring mechanism for viscous-material printer and method of printing15US 6,571,701 B1Speedline Technologies, Inc. · 2003
- Ink fountain apparatus12US 5,280,750 AKabushiki Kaisha Tokyo Kikai Seisakusho · 1994
- Wedge shaped ink agitator for printing presses8US 4,461,210 ABaldwin-Gegenheimer GmbH · 1984
- Ink agitator7US 4,108,068 ASeveg, S.A. · 1978