B41J 2/04563
Detecting head temperature
Official title: {detecting head temperature; Ink temperature}
B41J2/04563 (Detecting head temperature) appears on 1,524 US grants and 1,478 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,524
- Published applications
- 1,478
- Assignees
- 113
- Inventors
- 1,560
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 15 | 0 |
| 1996 | 16 | 0 |
| 1997 | 16 | 0 |
| 1998 | 26 | 0 |
| 1999 | 25 | 0 |
| 2000 | 33 | 0 |
| 2001 | 51 | 12 |
| 2002 | 61 | 48 |
| 2003 | 64 | 37 |
| 2004 | 42 | 113 |
| 2005 | 54 | 142 |
| 2006 | 92 | 88 |
| 2007 | 99 | 86 |
| 2008 | 81 | 112 |
| 2009 | 73 | 86 |
| 2010 | 94 | 62 |
| 2011 | 77 | 33 |
| 2012 | 29 | 29 |
| 2013 | 28 | 35 |
| 2014 | 39 | 27 |
| 2015 | 43 | 28 |
| 2016 | 24 | 24 |
| 2017 | 18 | 28 |
| 2018 | 33 | 45 |
| 2019 | 43 | 47 |
| 2020 | 48 | 67 |
| 2021 | 40 | 84 |
| 2022 | 65 | 62 |
| 2023 | 48 | 49 |
| 2024 | 46 | 59 |
| 2025 | 31 | 40 |
| 2026 | 35 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Liquid jet recording process and liquid jet recording head1,557US 4,313,124 ACanon Kabushiki Kaisha · 1982
- Integrated circuit printhead for an ink jet printer including an integrated identification circuit238US 5,363,134 AHewlett-Packard Company · 1994
- Printhead assembly for an ink jet printer236US 6,652,082 B2Silverbrook Research Pty Ltd · 2003
- Thermal jet recording apparatus213US 4,914,562 ASeiko Epson Corporation · 1990
- Thermal ink jet printhead with constant operating temperature202US 5,107,276 AXerox Corporation · 1992