B41J 2002/14475
Characterised by nozzle shapes or number of orifices per chamber
Official title: {characterised by nozzle shapes or number of orifices per chamber}
B41J2002/14475 (Characterised by nozzle shapes or number of orifices per chamber) appears on 1,074 US grants and 1,100 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,074
- Published applications
- 1,100
- Assignees
- 113
- Inventors
- 1,055
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 24 | 0 |
| 2001 | 21 | 9 |
| 2002 | 18 | 27 |
| 2003 | 37 | 22 |
| 2004 | 23 | 73 |
| 2005 | 31 | 116 |
| 2006 | 52 | 71 |
| 2007 | 77 | 96 |
| 2008 | 96 | 115 |
| 2009 | 80 | 126 |
| 2010 | 127 | 106 |
| 2011 | 135 | 29 |
| 2012 | 56 | 36 |
| 2013 | 35 | 21 |
| 2014 | 27 | 20 |
| 2015 | 23 | 16 |
| 2016 | 7 | 9 |
| 2017 | 10 | 22 |
| 2018 | 17 | 25 |
| 2019 | 27 | 24 |
| 2020 | 18 | 16 |
| 2021 | 15 | 23 |
| 2022 | 18 | 16 |
| 2023 | 13 | 14 |
| 2024 | 12 | 31 |
| 2025 | 14 | 20 |
| 2026 | 18 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Liquid ejecting head unit and liquid ejecting apparatus14 Jul 2026US 12,679,089 B2Seiko Epson Corporation
- Liquid discharge head, liquid discharge unit, and liquid discharge apparatus14 Jul 2026US 12,679,092 B2Ricoh Company, Ltd.
- Liquid ejection head24 Sep 2026US 2026/0285040 A1RISO Technologies Corporation
- Liquid discharge head and liquid discharge apparatus24 Sep 2026US 2026/0285043 A1
- Liquid Ejecting Head17 Sep 2026US 2026/0273935 A1Seiko Epson Corporation
- Liquid Ejecting Head17 Sep 2026US 2026/0273937 A1Seiko Epson Corporation
- Liquid Ejecting Head And Printing Apparatus17 Sep 2026US 2026/0273938 A1Seiko Epson Corporation
Most cited
By later US patents
- Compensation for aerodynamic influences in ink jet apparatuses having ink jet chambers utilizing a plurality of orifices273US 5,258,774 ADataproducts Corporation · 1993
- Method and apparatus for prototyping a three-dimensional object251US 6,375,874 B1Z Corporation · 2002
- Method and apparatus for prototyping a three-dimensional object217US 6,007,318 AZ Corporation · 1999
- Liquid-jetting head212US 4,611,219 ACanon Kabushiki Kaisha · 1986
- Ink jet nozzle arrangement with a segmented actuator nozzle chamber cover128US 7,637,594 B2Silverbrook Research Pty Ltd · 2009