B41J 2/16502
Printhead constructions to prevent nozzle clogging or facilitate nozzle cleaning
Official title: {Printhead constructions to prevent nozzle clogging or facilitate nozzle cleaning}
B41J2/16502 (Printhead constructions to prevent nozzle clogging or facilitate nozzle cleaning) appears on 184 US grants and 229 published applications in this corpus.
Search patents in B41J- Granted patents
- 184
- Published applications
- 229
- Assignees
- 53
- Inventors
- 462
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 5 |
| 2003 | 4 | 1 |
| 2004 | 2 | 5 |
| 2005 | 4 | 8 |
| 2006 | 3 | 4 |
| 2007 | 5 | 8 |
| 2008 | 5 | 7 |
| 2009 | 6 | 7 |
| 2010 | 3 | 4 |
| 2011 | 2 | 5 |
| 2012 | 6 | 2 |
| 2013 | 3 | 5 |
| 2014 | 9 | 8 |
| 2015 | 5 | 1 |
| 2016 | 5 | 8 |
| 2017 | 6 | 17 |
| 2018 | 12 | 10 |
| 2019 | 14 | 26 |
| 2020 | 24 | 18 |
| 2021 | 14 | 17 |
| 2022 | 14 | 7 |
| 2023 | 8 | 15 |
| 2024 | 5 | 13 |
| 2025 | 11 | 10 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stabilizing additive for pigmented inkjet inks and methods of use28 Jul 2026US 12,692,404 B1
- Service station serving a print head16 Jun 2026US 12,654,449 B2Beehive Industries, LLC
- Liquid ejecting apparatus and cleaning method for liquid ejecting head2 Jun 2026US 12,643,332 B2Seiko Epson Corporation
- Liquid ejecting device14 Apr 2026US 12,600,137 B2Seiko Epson Corporation
- Liquid ejection head, method of detaching protection member from liquid ejection head, and liquid ejection apparatus31 Mar 2026US 12,589,604 B2Canon Kabushiki Kaisha
- Electric and hydraulic connections for printhead1 Oct 2026US 2026/0296019 A1Dover Europe SàRl
- Printing apparatus and discharge head maintenance method1 Oct 2026US 2026/0296022 A1SCREEN Holdings Co., Ltd.
- Apparatus and method for manufacturing display apparatus and electronic device including the display apparatus1 Oct 2026US 2026/0305150 A1Samsung Display Co., Ltd.
- Liquid Ejecting Head17 Sep 2026US 2026/0273937 A1Seiko Epson Corporation
- Service station serving a print head17 Sep 2026US 2026/0273941 A1Beehive Industries, LLC
Most cited
By later US patents
- Methods and apparatus for preventing clogging in ink jet printers47US 5,329,293 ATrident Limited · 1994
- Ink-jet type recording device45US 5,541,628 ASeiko Epson Corporation · 1996
- Inkjet printing with managed airflow for condensation control36US 8,939,545 B2Eastman Kodak Company · 2015
- Inkjet recording head and inkjet recording apparatus33US 7,410,240 B2FUJIFILM Corporation · 2008
- Ink drying prevention apparatus, ink-jet recording head storage container, ink-jet recording apparatus and ink drying prevention method23US 6,578,947 B1Fuji Xerox Co., Ltd. · 2003