B41J 2/1408
Structure dealing with thermal variations
Official title: {Structure dealing with thermal variations, e.g. cooling device, thermal coefficients of materials}
B41J2/1408 (Structure dealing with thermal variations) appears on 388 US grants and 375 published applications in this corpus.
Search patents in B41J- Granted patents
- 388
- Published applications
- 375
- Assignees
- 44
- Inventors
- 483
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 3 |
| 2002 | 14 | 12 |
| 2003 | 15 | 9 |
| 2004 | 15 | 56 |
| 2005 | 14 | 18 |
| 2006 | 35 | 27 |
| 2007 | 26 | 30 |
| 2008 | 18 | 22 |
| 2009 | 30 | 47 |
| 2010 | 28 | 33 |
| 2011 | 34 | 4 |
| 2012 | 15 | 2 |
| 2013 | 11 | 8 |
| 2014 | 8 | 6 |
| 2015 | 9 | 4 |
| 2016 | 6 | 5 |
| 2017 | 6 | 11 |
| 2018 | 9 | 11 |
| 2019 | 10 | 10 |
| 2020 | 8 | 8 |
| 2021 | 4 | 4 |
| 2022 | 10 | 9 |
| 2023 | 6 | 8 |
| 2024 | 6 | 16 |
| 2025 | 4 | 4 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Ink jet recording method, and ink jet recording apparatus11 Aug 2026US 12,703,188 B2Canon Kabushiki Kaisha
- Liquid discharge head, discharge head structure, and recording device14 Jul 2026US 12,679,087 B2KYOCERA Corporation
- Head module14 Jul 2026US 12,679,088 B2Brother Kogyo Kabushiki Kaisha
- Printing apparatus, control method, and storage medium10 Sep 2026US 2026/0264392 A1Canon Kabushiki Kaisha
- A droplet ejection head and method of operation2 Jul 2026US 2026/0184071 A1
- Element substrate, printing head, and printing apparatus11 Jun 2026US 2026/0158781 A1Canon Kabushiki Kaisha
- Inkjet chip structure16 Apr 2026US 2026/0103001 A1Microjet Technology Co., Ltd.
- Liquid ejection head, liquid ejection apparatus, and method for controlling liquid ejection head2 Apr 2026US 2026/0091591 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Ink jet recording device using thermal propulsion and mechanical pressure changes161US 4,296,421 ACanon Kabushiki Kaisha · 1981
- Jet apparatus having an ink jet head and temperature controller for that head123US 5,512,924 ACanon Kabushiki Kaisha · 1996
- Bubble valving for ink-jet printheads116US 6,003,977 AHewlett-Packard Company · 1999
- Ink jet printhead with improved operation101US 5,850,234 AXerox Corporation · 1998
- Self-aligned common carrier74US 6,366,468 B1Hewlett-Packard Company · 2002