B41J 2002/16594
Pumps or valves for cleaning
Official title: {Pumps or valves for cleaning}
B41J2002/16594 (Pumps or valves for cleaning) appears on 96 US grants and 162 published applications in this corpus.
Search patents in B41J- Granted patents
- 96
- Published applications
- 162
- Assignees
- 34
- Inventors
- 292
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 5 | 2 |
| 2016 | 2 | 4 |
| 2017 | 4 | 18 |
| 2018 | 16 | 14 |
| 2019 | 13 | 11 |
| 2020 | 10 | 10 |
| 2021 | 7 | 6 |
| 2022 | 4 | 10 |
| 2023 | 8 | 6 |
| 2024 | 5 | 16 |
| 2025 | 7 | 34 |
| 2026 | 13 | 26 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Printing apparatus6 Oct 2026US RE51,052 E1Canon Kabushiki Kaisha
- Cleaning device for liquid jet head and liquid jet recording apparatus15 Sep 2026US 12,734,809 B2Sii Printek Inc.
- Inkjet printing apparatus1 Sep 2026US 12,722,376 B2Genix Corporation
- Printing apparatus including a plurality of print heads for ejecting ink and a maintenance unit for performing maintenance on the print heads25 Aug 2026US 12,715,218 B2Canon Kabushiki Kaisha
- Liquid supply mechanism and inkjet recording apparatus including same7 Jul 2026US 12,673,503 B2KYOCERA Document Solutions Inc.
- Inkjet recording apparatus8 Oct 2026US 2026/0307395 A1KYOCERA Document Solutions Inc.
- Liquid receiving device, maintenance device, and liquid ejection apparatus17 Sep 2026US 2026/0273939 A1Seiko Epson Corporation
- Method Of Cleaning Liquid Ejection Head And Liquid Ejection Apparatus17 Sep 2026US 2026/0273940 A1Seiko Epson Corporation
- Inkjet printer and inkjet head3 Sep 2026US 2026/0257488 A1Brother Kogyo Kabushiki Kaisha
- Printer and maintenance method27 Aug 2026US 2026/0249614 A1SCREEN Holdings Co., Ltd.
Most cited
By later US patents
- Ink jet recording apparatus6US 6,883,896 B2Brother Kogyo Kabushiki Kaisha · 2005
- Liquid ejecting apparatus and pressure-regulating device3US 10,457,061 B2Seiko Epson Corporation · 2019
- Printing apparatus3US 11,135,852 B2Canon Kabushiki Kaisha · 2021
- Printing apparatus, control method of the same, and transportation method of the same3US 11,192,379 B2Canon Kabushiki Kaisha · 2021
- Liquid ejecting apparatus and maintenance method of liquid ejecting apparatus3US 11,618,260 B2Seiko Epson Corporation · 2023