B41J 2/17566
Ink level or ink residue control
Official title: {Ink level or ink residue control}
B41J2/17566 (Ink level or ink residue control) appears on 3,023 US grants and 3,007 published applications in this corpus.
Search patents in B41J- Granted patents
- 3,023
- Published applications
- 3,007
- Assignees
- 258
- Inventors
- 3,213
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 28 | 0 |
| 1998 | 56 | 0 |
| 1999 | 48 | 0 |
| 2000 | 73 | 0 |
| 2001 | 82 | 22 |
| 2002 | 68 | 86 |
| 2003 | 68 | 73 |
| 2004 | 72 | 123 |
| 2005 | 73 | 203 |
| 2006 | 104 | 103 |
| 2007 | 125 | 136 |
| 2008 | 137 | 173 |
| 2009 | 95 | 158 |
| 2010 | 131 | 120 |
| 2011 | 151 | 122 |
| 2012 | 113 | 64 |
| 2013 | 100 | 86 |
| 2014 | 118 | 60 |
| 2015 | 82 | 70 |
| 2016 | 80 | 98 |
| 2017 | 91 | 115 |
| 2018 | 84 | 162 |
| 2019 | 152 | 163 |
| 2020 | 159 | 182 |
| 2021 | 151 | 178 |
| 2022 | 155 | 133 |
| 2023 | 111 | 141 |
| 2024 | 88 | 99 |
| 2025 | 95 | 68 |
| 2026 | 52 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 2002/17573Using optical means for ink level indicationIndexing code532
- B41J 2002/17569Based on the amount printed or to be printedIndexing code400
- B41J 2002/17579Measuring electrical impedance for ink level indicationIndexing code285
- B41J 2002/17576Using a floater for ink level indicationIndexing code272
- B41J 2002/17589Using ink level as input for printer mode selection or for predictionIndexing code140
- B41J 2002/17586Using ink bag deformation for ink level indicationIndexing code86
- B41J 2002/17583Using vibration or ultra-sons for ink level indicationIndexing code69
Recent patents
- Apparatus for supplying ink, and inkjet printing system including the same29 Sep 2026US 12,746,756 B2Ap Systems Inc.
- Apparatus and method for dispensing treatment liquid29 Sep 2026US 12,751,239 B2Semes Co., Ltd.
- Liquid ejection apparatus and liquid storage device15 Sep 2026US 12,734,817 B2Seiko Epson Corporation
- Inkjet printing apparatus, method of printing ink using the same and method of fabricating display device1 Sep 2026US 12,722,386 B2Samsung Display Co., Ltd.
- Liquid ejection apparatus and liquid storage device1 Sep 2026US 12,722,387 B2Seiko Epson Corporation
- Inkjet recording apparatus8 Oct 2026US 2026/0307394 A1KYOCERA Document Solutions Inc.
- Inkjet recording apparatus8 Oct 2026US 2026/0307395 A1KYOCERA Document Solutions Inc.
- Liquid container, liquid application device, liquid discharge device, and image forming apparatus1 Oct 2026US 2026/0296040 A1
- Liquid ejecting apparatus and liquid accommodating device1 Oct 2026US 2026/0296041 A1Seiko Epson Corporation
- Liquid ejecting apparatus and liquid accommodating device1 Oct 2026US 2026/0296042 A1Seiko Epson Corporation
Most cited
By later US patents
- Ink jet cartridge with ink level detection343US 5,788,388 AHewlett-Packard Company · 1998
- Printer ink cartridge with memory storage capacity338US 5,610,635 AEncad, Inc. · 1997
- Replaceable part with integral memory for usage, calibration and other data311US 5,835,817 AHewlett-Packard Company · 1998
- Arrangement for printer equipment for monitoring reservoirs that contain printing medium284US 5,365,312 AMannesmann Aktiengesellschaft · 1994
- Replaceable part with integral memory for usage, calibration and other data276US 5,699,091 AHewlett-Packard Company · 1997