B41P 2251/10
Pumps
B41P2251/10 (Pumps) appears on 26 US grants and 37 published applications in this corpus.
Search patents in B41P- Granted patents
- 26
- Published applications
- 37
- Assignees
- 26
- Inventors
- 103
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 6 |
| 2025 | 1 | 5 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid feeding device and inkjet recording apparatus15 Sep 2026US 12,736,043 B2KYOCERA Document Solutions Inc.
- Liquid ejection apparatus5 May 2026US 12,617,209 B2Seiko Epson Corporation
- Systems and methods for automatically cleaning converters with heated fluids3 Feb 2026US 12,539,699 B2Ecochem Australia Pty Ltd
- Fluid delivery system with pump servicing features30 Sep 2025US 12,427,780 B2Hewlett-Packard Development Company, L. P.
- Ink supply system24 Sep 2024US 12,097,694 B2Bobst Bielefeld GmbH
- Liquid ejection head and liquid ejection apparatus8 Oct 2026US 2026/0307396 A1Canon Kabushiki Kaisha
- Liquid ejection head and liquid ejecting apparatus2 Jul 2026US 2026/0184084 A1Canon Kabushiki Kaisha
- Liquid ejection head, replacement apparatus, and printing apparatus4 Jun 2026US 2026/0152006 A1Canon Kabushiki Kaisha
- Liquid discharge head and liquid discharge apparatus7 May 2026US 2026/0124838 A1Canon Kabushiki Kaisha
- Printhead system with nozzle rejuvenation system23 Apr 2026US 2026/0109152 A1Xerox Corporation
Most cited
By later US patents
- Letterpress printing method and applicator device for its implementation34US 5,671,678 A1997
- Peristaltic pump for pumping ink or cleaning fluids in a printing machine28US 6,041,709 AUSAdvantage, Inc. · 2000
- Printing press19US 5,724,890 AHeidelberger Druckmaschinen AG · 1998
- Apparatus and system for dispensing liquids11US 7,967,037 B2Calgary Scale Services (1988) Ltd. · 2011
- Method and apparatus for reversibly pumping high viscosity fluids10US 5,620,746 A1997