B41J 2/135
Nozzles
B41J2/135 (Nozzles) appears on 24,066 US grants and 23,449 published applications in this corpus.
Search patents in B41J- Granted patents
- 24,066
- Published applications
- 23,449
- Assignees
- 1,193
- Inventors
- 15,402
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 18 | 0 |
| 1978 | 15 | 0 |
| 1979 | 9 | 0 |
| 1980 | 28 | 0 |
| 1981 | 28 | 0 |
| 1982 | 26 | 0 |
| 1983 | 55 | 0 |
| 1984 | 50 | 0 |
| 1985 | 75 | 0 |
| 1986 | 66 | 0 |
| 1987 | 65 | 0 |
| 1988 | 83 | 0 |
| 1989 | 83 | 0 |
| 1990 | 98 | 0 |
| 1991 | 75 | 0 |
| 1992 | 108 | 0 |
| 1993 | 108 | 0 |
| 1994 | 92 | 0 |
| 1995 | 161 | 0 |
| 1996 | 201 | 0 |
| 1997 | 213 | 0 |
| 1998 | 342 | 0 |
| 1999 | 366 | 0 |
| 2000 | 508 | 0 |
| 2001 | 724 | 188 |
| 2002 | 814 | 754 |
| 2003 | 770 | 722 |
| 2004 | 649 | 1079 |
| 2005 | 639 | 1450 |
| 2006 | 796 | 1167 |
| 2007 | 841 | 1193 |
| 2008 | 906 | 1262 |
| 2009 | 927 | 1318 |
| 2010 | 1187 | 1080 |
| 2011 | 1170 | 973 |
| 2012 | 890 | 813 |
| 2013 | 965 | 878 |
| 2014 | 1079 | 779 |
| 2015 | 1001 | 840 |
| 2016 | 830 | 790 |
| 2017 | 708 | 919 |
| 2018 | 788 | 955 |
| 2019 | 889 | 955 |
| 2020 | 888 | 974 |
| 2021 | 782 | 864 |
| 2022 | 657 | 791 |
| 2023 | 622 | 751 |
| 2024 | 612 | 784 |
| 2025 | 590 | 632 |
| 2026 | 459 | 538 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drive circuit board and liquid ejection apparatus6 Oct 2026US 12,752,527 B2Seiko Epson Corporation
- Liquid ejection apparatus, recording medium, and liquid ejection head6 Oct 2026US 12,752,528 B2Konica Minolta, Inc.
- Ink jet recording method and ink jet recording apparatus6 Oct 2026US 12,752,529 B2Canon Kabushiki Kaisha
- Liquid discharge head and liquid discharge device6 Oct 2026US 12,752,530 B2RISO Technologies Corporation
- Liquid discharge head and liquid discharge apparatus6 Oct 2026US 12,752,531 B2Ricoh Company, Ltd.
- 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
- Inspection method and coating apparatus8 Oct 2026US 2026/0307390 A1
- Inkjet recording apparatus8 Oct 2026US 2026/0307391 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Droplet generating method and apparatus thereof1,847US 4,463,359 ACanon Kabushiki Kaisha · 1984
- Liquid jet recording head1,616US 4,558,333 ACanon Kabushiki Kaisha · 1985
- 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
- Printhead incorporating a static pagewidth printhead1,463US 7,467,849 B2Silverbrook Research Pty Ltd · 2008