B41J 2/1707
Conditioning of the inside of ink supply circuits
Official title: {Conditioning of the inside of ink supply circuits, e.g. flushing during start-up or shut-down}
B41J2/1707 (Conditioning of the inside of ink supply circuits) appears on 516 US grants and 573 published applications in this corpus.
Search patents in B41J- Granted patents
- 516
- Published applications
- 573
- Assignees
- 117
- Inventors
- 920
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 1 |
| 2002 | 5 | 3 |
| 2003 | 4 | 4 |
| 2004 | 8 | 9 |
| 2005 | 2 | 69 |
| 2006 | 6 | 9 |
| 2007 | 19 | 20 |
| 2008 | 40 | 57 |
| 2009 | 23 | 35 |
| 2010 | 51 | 42 |
| 2011 | 41 | 15 |
| 2012 | 16 | 10 |
| 2013 | 21 | 16 |
| 2014 | 20 | 12 |
| 2015 | 14 | 8 |
| 2016 | 4 | 8 |
| 2017 | 11 | 14 |
| 2018 | 14 | 25 |
| 2019 | 23 | 23 |
| 2020 | 24 | 16 |
| 2021 | 11 | 18 |
| 2022 | 14 | 30 |
| 2023 | 19 | 27 |
| 2024 | 19 | 36 |
| 2025 | 31 | 31 |
| 2026 | 20 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Ink delivery system for inkjet printer117US 4,929,963 AHewlett-Packard Company · 1990
- Replaceable cartridge, kit and method for flushing ink from an inkjet printer105US 6,375,301 B1Hewlett-Packard Company · 2002
- Method and apparatus for removing air bubbles from hot melt ink in an ink-jet printer90US 6,007,193 AHitachi Koki Co., Ltd. · 1999
- Method and apparatus to clean an inkjet reagent deposition device79US 6,446,642 B1Agilent Technologies, Inc. · 2002
- Method and apparatus to clean an inkjet reagent deposition device76US 6,796,634 B2Agilent Technologies, Inc. · 2004