B41J 2/17556
Means for regulating the pressure in the cartridge
Official title: {Means for regulating the pressure in the cartridge}
B41J2/17556 (Means for regulating the pressure in the cartridge) appears on 1,641 US grants and 1,645 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,641
- Published applications
- 1,645
- Assignees
- 191
- Inventors
- 1,642
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 24 | 0 |
| 1999 | 37 | 0 |
| 2000 | 34 | 0 |
| 2001 | 49 | 18 |
| 2002 | 40 | 57 |
| 2003 | 48 | 105 |
| 2004 | 76 | 91 |
| 2005 | 73 | 201 |
| 2006 | 81 | 49 |
| 2007 | 88 | 74 |
| 2008 | 113 | 151 |
| 2009 | 71 | 133 |
| 2010 | 121 | 97 |
| 2011 | 171 | 117 |
| 2012 | 62 | 43 |
| 2013 | 75 | 34 |
| 2014 | 55 | 31 |
| 2015 | 39 | 36 |
| 2016 | 28 | 27 |
| 2017 | 27 | 37 |
| 2018 | 27 | 51 |
| 2019 | 48 | 42 |
| 2020 | 40 | 50 |
| 2021 | 41 | 55 |
| 2022 | 46 | 39 |
| 2023 | 29 | 29 |
| 2024 | 25 | 36 |
| 2025 | 25 | 22 |
| 2026 | 17 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Liquid ejection device7 Jul 2026US 12,673,501 B2Seiko Epson Corporation
- Apparatus and method for ink refill of a can decorator8 Oct 2026US 2026/0307393 A1Stolle Machinery Company, LLC
- Liquid supply apparatus, printing system, and printing apparatus1 Oct 2026US 2026/0296036 A1Canon Kabushiki Kaisha
- Liquid supply apparatus, printing system, and printing apparatus24 Sep 2026US 2026/0285049 A1Canon Kabushiki Kaisha
- Liquid container and liquid ejecting apparatus17 Sep 2026US 2026/0273947 A1Brother Kogyo Kabushiki Kaisha
- Printer and maintenance method27 Aug 2026US 2026/0249614 A1SCREEN Holdings Co., Ltd.
Most cited
By later US patents
- Method and apparatus for prototyping a three-dimensional object251US 6,375,874 B1Z Corporation · 2002
- Ink delivery system for an inkjet printhead237US 5,278,584 AHewlett-Packard Company · 1994
- Method and apparatus for prototyping a three-dimensional object217US 6,007,318 AZ Corporation · 1999
- Sensing device174US 6,870,966 B1Silverbrook Research Pty Ltd · 2005
- Printer consumable cartridge165US 6,290,349 B1Silverbrook Research Pty Ltd · 2001