B41J 2002/1657
Cleaning of only nozzles or print head parts being selected
Official title: {Cleaning of only nozzles or print head parts being selected}
B41J2002/1657 (Cleaning of only nozzles or print head parts being selected) appears on 101 US grants and 112 published applications in this corpus.
Search patents in B41J- Granted patents
- 101
- Published applications
- 112
- Assignees
- 27
- Inventors
- 251
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 3 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 9 |
| 2016 | 13 | 11 |
| 2017 | 9 | 7 |
| 2018 | 6 | 7 |
| 2019 | 6 | 9 |
| 2020 | 7 | 11 |
| 2021 | 10 | 12 |
| 2022 | 13 | 8 |
| 2023 | 4 | 9 |
| 2024 | 8 | 8 |
| 2025 | 7 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for regenerating a print head15 Sep 2026US 12,734,807 B2Canon Production Printing Holding B. V.
- Wiping device and liquid discharge apparatus7 Jul 2026US 12,673,340 B2Ricoh Company, Ltd.
- Printing apparatus and a method of controlling a printing apparatus including a control unit controlling a cleaning operation of a wiping unit wiping an ejection port surface18 Nov 2025US 12,472,744 B2Canon Kabushiki Kaisha
- Recording device28 Oct 2025US 12,454,138 B2Brother Kogyo Kabushiki Kaisha
- Server, printing system and method of controlling printing system16 Sep 2025US 12,415,358 B2Seiko Epson Corporation
- Inkjet image forming apparatus10 Sep 2026US 2026/0264407 A1KYOCERA Document Solutions Inc.
- Localized printhead cleaning in a printing system19 Mar 2026US 2026/0077603 A1Electronics for Imaging, Inc.
- Printing apparatus and a method of controlling a printing apparatus including a control unit controlling a cleaning operation of a wiping unit wiping an ejection port surface5 Feb 2026US 2026/0034785 A1Canon Kabushiki Kaisha
- Liquid discharge system24 Jul 2025US 2025/0236110 A1
- Inkjet printing apparatus and cleaning method therefor1 May 2025US 2025/0135782 A1SCREEN Holdings Co., Ltd.
Most cited
By later US patents
- On-page inkjet printhead spitting system84US 5,659,342 AHewlett-Packard Company · 1997
- Drop sensing and recovery system for an ink jet printer58US 5,627,571 AXerox Corporation · 1997
- Ink jet recording apparatus and recording head cleaning control method thereon19US 6,481,824 B1Seiko Epson Corporation · 2002
- Recording apparatus19US 8,596,755 B2Brother Kogyo Kabushiki Kaisha · 2013
- Nozzle testing before and after nozzle cleaning18US 6,565,185 B1Seiko Epson Corporation · 2003