B41J 2/16
Production of nozzles
B41J2/16 (Production of nozzles) appears on 7,347 US grants and 6,809 published applications in this corpus.
Search patents in B41J- Granted patents
- 7,347
- Published applications
- 6,809
- Assignees
- 410
- Inventors
- 4,811
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 11 | 0 |
| 1986 | 16 | 0 |
| 1987 | 23 | 0 |
| 1988 | 24 | 0 |
| 1989 | 35 | 0 |
| 1990 | 34 | 0 |
| 1991 | 33 | 0 |
| 1992 | 36 | 0 |
| 1993 | 43 | 0 |
| 1994 | 41 | 0 |
| 1995 | 72 | 0 |
| 1996 | 63 | 0 |
| 1997 | 97 | 0 |
| 1998 | 124 | 0 |
| 1999 | 139 | 0 |
| 2000 | 170 | 0 |
| 2001 | 275 | 83 |
| 2002 | 308 | 289 |
| 2003 | 277 | 269 |
| 2004 | 235 | 417 |
| 2005 | 264 | 575 |
| 2006 | 342 | 483 |
| 2007 | 320 | 411 |
| 2008 | 360 | 505 |
| 2009 | 387 | 531 |
| 2010 | 450 | 416 |
| 2011 | 473 | 269 |
| 2012 | 311 | 244 |
| 2013 | 282 | 259 |
| 2014 | 269 | 223 |
| 2015 | 279 | 196 |
| 2016 | 193 | 198 |
| 2017 | 189 | 204 |
| 2018 | 176 | 231 |
| 2019 | 217 | 169 |
| 2020 | 158 | 155 |
| 2021 | 137 | 99 |
| 2022 | 100 | 117 |
| 2023 | 92 | 116 |
| 2024 | 90 | 123 |
| 2025 | 76 | 114 |
| 2026 | 73 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 2/1621Manufacturing processes6,930
- B41J 2/1601Production of bubble jet print heads2,813
- B41J 2/1607Production of print heads with piezoelectric elements2,419
- B41J 2/1648Production of print heads with thermal bend detached actuators1,207
- B41J 2/162Manufacturing of the nozzle plates881
- B41J 2/1606Coating the nozzle area or the ink chamber637
Recent patents
- Nozzle head, manufacturing method of nozzle head, and droplet discharging device6 Oct 2026US 12,752,532 B2Sijtechnology, Inc.
- Liquid ejection head, manufacturing method for liquid ejection head, and protection tape6 Oct 2026US 12,752,533 B2Canon Kabushiki Kaisha
- Liquid ejection head6 Oct 2026US 12,752,535 B2Canon Kabushiki Kaisha
- Liquid discharge head, liquid discharge apparatus, and bonded unit29 Sep 2026US 12,746,752 B2Ricoh Company, Ltd.
- Apparatus for manufacturing display devices29 Sep 2026US 12,746,754 B2Samsung Display Co., Ltd.
- 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 ejection head and method of manufacturing liquid ejection head1 Oct 2026US 2026/0296018 A1Canon Kabushiki Kaisha
- Apparatus and method for manufacturing display apparatus and electronic device including the display apparatus1 Oct 2026US 2026/0305150 A1Samsung Display Co., Ltd.
- Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus24 Sep 2026US 2026/0293527 A1Seiko Epson Corporation
Most cited
By later US patents
- Liquid jet recording head1,616US 4,558,333 ACanon Kabushiki Kaisha · 1985
- Ink jet head and a method of manufacturing thereof420US 5,666,141 ASharp Kabushiki Kaisha · 1997
- Ink-jet recording head with piezoelectric device and method for manufacturing the same368US 6,142,615 ASeiko Epson Corporation · 2000
- Polymer-based micromachining for microfluidic devices351US 6,136,212 AThe Regents of the University of Michigan · 2000
- Ink jet print device and print head or print apparatus using the same348US 6,019,457 ACanon Information Systems Research Australia Pty. Ltd. · 2000