B41J 2202/12
With ink circulating through the whole print head
Official title: with ink circulating through the whole print head
B41J2202/12 (With ink circulating through the whole print head) appears on 1,362 US grants and 1,632 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,362
- Published applications
- 1,632
- Assignees
- 108
- Inventors
- 1,440
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 5 |
| 2003 | 10 | 9 |
| 2004 | 9 | 1 |
| 2005 | 4 | 14 |
| 2006 | 3 | 5 |
| 2007 | 2 | 9 |
| 2008 | 8 | 12 |
| 2009 | 7 | 12 |
| 2010 | 7 | 35 |
| 2011 | 13 | 35 |
| 2012 | 31 | 55 |
| 2013 | 54 | 42 |
| 2014 | 50 | 39 |
| 2015 | 42 | 35 |
| 2016 | 32 | 47 |
| 2017 | 42 | 97 |
| 2018 | 74 | 113 |
| 2019 | 122 | 168 |
| 2020 | 164 | 224 |
| 2021 | 174 | 140 |
| 2022 | 115 | 103 |
| 2023 | 115 | 124 |
| 2024 | 80 | 121 |
| 2025 | 87 | 98 |
| 2026 | 57 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid jetting apparatus29 Sep 2026US 12,746,751 B2Brother Kogyo Kabushiki Kaisha
- Liquid ejecting head and liquid ejecting apparatus15 Sep 2026US 12,734,802 B2Canon Kabushiki Kaisha
- Liquid ejection head15 Sep 2026US 12,734,803 B2RISO Technologies Corporation
- Liquid discharge head, liquid discharge device, and liquid discharge apparatus8 Sep 2026US 12,728,638 B2Ricoh Company, Ltd.
- Liquid ejection head and liquid ejection apparatus1 Sep 2026US 12,722,390 B2Canon Kabushiki Kaisha
- Liquid discharge head1 Oct 2026US 2026/0296015 A1Canon Kabushiki Kaisha
- Liquid ejection head24 Sep 2026US 2026/0285040 A1RISO Technologies Corporation
- Printing apparatus having an ejection unit forming an image on a print medium by ejecting liquid from an ejection port24 Sep 2026US 2026/0285046 A1Canon Kabushiki Kaisha
- Inkjet recording apparatus24 Sep 2026US 2026/0285054 A1KYOCERA Document Solutions Inc.
- Liquid ejection apparatus, inspection apparatus, and liquid ejection head3 Sep 2026US 2026/0257472 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Ink-jet recording apparatus with mechanism for automatically regulating a recording head145US 4,977,459 ACanon Kabushiki Kaisha · 1990
- Drop-on-demand ink jet print head127US 5,087,930 ATektronix, Inc. · 1992
- Ink delivery system for inkjet printer117US 4,929,963 AHewlett-Packard Company · 1990
- Jet nozzle structure for electrohydrodynamic droplet formation and ink jet printing system therewith92US 3,949,410 AInternational Business Machines Corporation · 1976
- Ink jet printer91US 4,380,770 AEpson Corporation · 1983