B41J 2/1433
Structure of nozzle plates
Official title: {Structure of nozzle plates}
B41J2/1433 (Structure of nozzle plates) appears on 2,103 US grants and 2,273 published applications in this corpus.
Search patents in B41J- Granted patents
- 2,103
- Published applications
- 2,273
- Assignees
- 223
- Inventors
- 2,521
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 29 | 0 |
| 2001 | 36 | 9 |
| 2002 | 31 | 40 |
| 2003 | 49 | 36 |
| 2004 | 28 | 66 |
| 2005 | 44 | 97 |
| 2006 | 50 | 79 |
| 2007 | 58 | 92 |
| 2008 | 72 | 76 |
| 2009 | 69 | 76 |
| 2010 | 67 | 64 |
| 2011 | 76 | 45 |
| 2012 | 47 | 37 |
| 2013 | 56 | 67 |
| 2014 | 70 | 94 |
| 2015 | 111 | 142 |
| 2016 | 129 | 144 |
| 2017 | 128 | 185 |
| 2018 | 159 | 156 |
| 2019 | 143 | 138 |
| 2020 | 128 | 129 |
| 2021 | 109 | 106 |
| 2022 | 89 | 77 |
| 2023 | 73 | 77 |
| 2024 | 59 | 77 |
| 2025 | 59 | 73 |
| 2026 | 52 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- Liquid-jetting head212US 4,611,219 ACanon Kabushiki Kaisha · 1986
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- Ink jet recording device using thermal propulsion and mechanical pressure changes161US 4,296,421 ACanon Kabushiki Kaisha · 1981