B41J 2/14016
Structure of bubble jet print heads
Official title: {Structure of bubble jet print heads}
B41J2/14016 (Structure of bubble jet print heads) appears on 5,173 US grants and 4,616 published applications in this corpus.
Search patents in B41J- Granted patents
- 5,173
- Published applications
- 4,616
- Assignees
- 307
- Inventors
- 3,879
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 19 | 0 |
| 1987 | 14 | 0 |
| 1988 | 24 | 0 |
| 1989 | 27 | 0 |
| 1990 | 30 | 0 |
| 1991 | 21 | 0 |
| 1992 | 31 | 0 |
| 1993 | 27 | 0 |
| 1994 | 21 | 0 |
| 1995 | 40 | 0 |
| 1996 | 41 | 0 |
| 1997 | 46 | 0 |
| 1998 | 92 | 0 |
| 1999 | 94 | 0 |
| 2000 | 164 | 0 |
| 2001 | 202 | 45 |
| 2002 | 247 | 231 |
| 2003 | 223 | 183 |
| 2004 | 165 | 245 |
| 2005 | 143 | 281 |
| 2006 | 180 | 229 |
| 2007 | 159 | 241 |
| 2008 | 188 | 257 |
| 2009 | 173 | 259 |
| 2010 | 241 | 206 |
| 2011 | 249 | 112 |
| 2012 | 159 | 114 |
| 2013 | 159 | 130 |
| 2014 | 145 | 115 |
| 2015 | 144 | 151 |
| 2016 | 154 | 157 |
| 2017 | 151 | 239 |
| 2018 | 201 | 236 |
| 2019 | 228 | 221 |
| 2020 | 215 | 230 |
| 2021 | 190 | 184 |
| 2022 | 159 | 131 |
| 2023 | 133 | 124 |
| 2024 | 103 | 117 |
| 2025 | 70 | 87 |
| 2026 | 71 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 2/14032Structure of the pressure chamber1,839
- B41J 2/14088Structure of heating means1,683
- B41J 2/14072Electrical connections1,449
- B41J 2/14145Structure of the manifold837
- B41J 2/14024Assembling head parts773
- B41J 2/1408Structure dealing with thermal variations388
- B41J 2/14153Structures including a sensor303
- B41J 2002/14169Bubble vented to the ambienceIndexing code135
Recent patents
- Ink jet recording method and ink jet recording apparatus6 Oct 2026US 12,752,529 B2Canon Kabushiki Kaisha
- Liquid jetting apparatus29 Sep 2026US 12,746,751 B2Brother Kogyo Kabushiki Kaisha
- Liquid ejection head substrate, liquid ejection head, and liquid ejection apparatus22 Sep 2026US 12,741,462 B2Canon Kabushiki Kaisha
- Liquid ejecting head and liquid ejecting apparatus15 Sep 2026US 12,734,802 B2Canon Kabushiki Kaisha
- System and method for applying primer to media in inkjet printers15 Sep 2026US 12,734,828 B2Xerox Corporation
- Liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus8 Oct 2026US 2026/0307387 A1Canon Kabushiki Kaisha
- Molded fluidic dies8 Oct 2026US 2026/0307388 A1Hewlett-Packard Development Company, L. P.
- Liquid ejection unit and method for manufacturing liquid ejection unit8 Oct 2026US 2026/0307389 A1Canon Kabushiki Kaisha
- Liquid discharge head1 Oct 2026US 2026/0296015 A1Canon Kabushiki Kaisha
- Electronic apparatus and cable protecting unit24 Sep 2026US 2026/0285072 A1Seiko Epson Corporation
Most cited
By later US patents
- Liquid jet recording process and liquid jet recording head1,557US 4,313,124 ACanon Kabushiki Kaisha · 1982
- Liquid jet recording device1,518US 4,459,600 ACanon Kabushiki Kaisha · 1984
- Ink-belt bubble propulsion printer674US 4,608,577 AElm · 1986
- Heat generating resistor containing tan0.8, substrate provided with said heat generating resistor for liquid jet head, liquid jet head provided with said substrate, and liquid jet apparatus provided with said liquid jet head540US 6,375,312 B1Canon Kabushiki Kaisha · 2002
- Ink jet print device and print head or print apparatus using the same348US 6,019,457 ACanon Information Systems Research Australia Pty. Ltd. · 2000