B41J 2002/14443
Nozzle guard
Official title: {Nozzle guard}
B41J2002/14443 (Nozzle guard) appears on 205 US grants and 213 published applications in this corpus.
Search patents in B41J- Granted patents
- 205
- Published applications
- 213
- Assignees
- 20
- Inventors
- 45
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 2 |
| 2002 | 6 | 17 |
| 2003 | 13 | 4 |
| 2004 | 8 | 19 |
| 2005 | 16 | 36 |
| 2006 | 19 | 16 |
| 2007 | 19 | 16 |
| 2008 | 28 | 25 |
| 2009 | 17 | 27 |
| 2010 | 22 | 11 |
| 2011 | 26 | 9 |
| 2012 | 3 | 5 |
| 2013 | 2 | 4 |
| 2014 | 9 | 8 |
| 2015 | 5 | 3 |
| 2016 | 6 | 5 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Liquid ejection head and inkjet recording apparatus9 Sep 2025US 12,409,653 B2Canon Kabushiki Kaisha
- Electrohydrodynamic print head with shaping electrodes and extraction electrodes29 Aug 2023US 11,738,558 B2Scrona AG
- Liquid ejecting head, liquid ejecting head unit, and liquid ejecting apparatus24 Apr 2018US 9,950,531 B2Seiko Epson Corporation
- Liquid ejecting head, liquid ejecting head unit, and liquid ejecting apparatus15 Aug 2017US 9,731,507 B2Seiko Epson Corporation
- Liquid discharging apparatus9 May 2017US 9,643,418 B2Seiko Epson Corporation
- Liquid jet head and liquid jet recording apparatus28 Aug 2025US 2025/0269646 A1SII Printeck Inc.
- Liquid ejection head and method of producing the same14 Nov 2024US 2024/0375402 A1Canon Kabushiki Kaisha
- Liquid ejection head and inkjet recording apparatus8 Feb 2024US 2024/0042763 A1Canon Kabushiki Kaisha
- Electrohydrodynamic print head with shaping electrodes and extraction electrodes17 Nov 2022US 2022/0363059 A1Scrona AG
- Inkjet printing method, and assembly for carrying out the method26 Jul 2018US 2018/0207934 A1Forschungszentrum Juelich GmbH
Most cited
By later US patents
- Inkjet nozzle with paddle layer sandwiched between first and second wafers106US 7,758,166 B2Silverbrook Research Pty Ltd · 2010
- Method of fabricating resistor and proximate drive transistor for a printhead97US 7,905,574 B2Silverbrook Research Pty Ltd · 2011
- Ink jet printhead with active and passive nozzle chamber structures arrayed on a substrate34US 7,470,003 B2Silverbrook Research Pty Ltd · 2008
- Shape memory alloy ink jet printing mechanism32US 6,557,977 B1Silverbrook Research Pty Ltd · 2003
- Ink jet printhead chip with predetermined micro-electromechanical systems height26US 6,648,453 B2Silverbrook Research Pty Ltd · 2003