B41J 2002/14467
Multiple feed channels per ink chamber
Official title: {Multiple feed channels per ink chamber}
B41J2002/14467 (Multiple feed channels per ink chamber) appears on 315 US grants and 308 published applications in this corpus.
Search patents in B41J- Granted patents
- 315
- Published applications
- 308
- Assignees
- 39
- Inventors
- 462
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 1 |
| 2002 | 8 | 6 |
| 2003 | 10 | 7 |
| 2004 | 2 | 6 |
| 2005 | 5 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 5 |
| 2008 | 3 | 8 |
| 2009 | 6 | 11 |
| 2010 | 4 | 7 |
| 2011 | 10 | 12 |
| 2012 | 7 | 14 |
| 2013 | 13 | 18 |
| 2014 | 22 | 7 |
| 2015 | 11 | 9 |
| 2016 | 9 | 8 |
| 2017 | 7 | 31 |
| 2018 | 25 | 30 |
| 2019 | 34 | 35 |
| 2020 | 36 | 25 |
| 2021 | 21 | 21 |
| 2022 | 18 | 4 |
| 2023 | 7 | 14 |
| 2024 | 4 | 11 |
| 2025 | 14 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid ejecting device including head unit, and mounting unit having positioning part for positioning head unit relative to mounting unit25 Aug 2026US 12,715,209 B2Brother Kogyo Kabushiki Kaisha
- Liquid ejection head and printing apparatus16 Jun 2026US 12,654,464 B2Canon Kabushiki Kaisha
- Recording element substrate and recording device20 Jan 2026US 12,528,290 B2Canon Kabushiki Kaisha
- Liquid ejection head and liquid ejection apparatus having pitch conversion member13 Jan 2026US 12,521,985 B2Canon Kabushiki Kaisha
- Compact inkjet nozzle device with high degree of symmetry7 Oct 2025US 12,434,478 B2Memjet Technology Limited
- Liquid ejection head30 Jul 2026US 2026/0217023 A1Canon Kabushiki Kaisha
- Liquid ejection head, liquid ejection apparatus, and method of manufacturing liquid ejection head12 Mar 2026US 2026/0070333 A1Canon Kabushiki Kaisha
- Compact inkjet nozzle device1 Jan 2026US 2026/0001334 A1Memjet Technology Limited
- Liquid ejection module11 Dec 2025US 2025/0375964 A1Canon Kabushiki Kaisha
- Passive mixer in jetting channels of a printhead27 Nov 2025US 2025/0360725 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Process for producing an ink jet recording head172US 5,126,768 ACanon Kabushiki Kaisha · 1992
- Thermal ink jet common-slotted ink feed printhead171US 4,683,481 AHewlett-Packard Company · 1987
- Ink jet printing head79US 5,818,482 ARicoh Company, Ltd. · 1998
- Particle tolerant inkjet printhead architecture64US 5,734,399 AHewlett-Packard Company · 1998
- Barriers for thermal ink jet printers56US 4,502,060 AHewlett-Packard Company · 1985