B41J 2/17
Characterised by ink handling
Official title: characterised by ink handling {(cleaning by driving a fluid through the nozzles to the outside thereof B41J2/1652; for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing B41J11/0015)}
B41J2/17 (Characterised by ink handling) appears on 17,065 US grants and 16,872 published applications in this corpus.
Search patents in B41J- Granted patents
- 17,065
- Published applications
- 16,872
- Assignees
- 1,119
- Inventors
- 13,572
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 19 | 0 |
| 1978 | 19 | 0 |
| 1979 | 12 | 0 |
| 1980 | 25 | 0 |
| 1981 | 25 | 0 |
| 1982 | 36 | 0 |
| 1983 | 34 | 0 |
| 1984 | 32 | 0 |
| 1985 | 42 | 0 |
| 1986 | 64 | 0 |
| 1987 | 63 | 0 |
| 1988 | 43 | 0 |
| 1989 | 58 | 0 |
| 1990 | 58 | 0 |
| 1991 | 44 | 0 |
| 1992 | 57 | 0 |
| 1993 | 52 | 0 |
| 1994 | 61 | 0 |
| 1995 | 97 | 0 |
| 1996 | 121 | 0 |
| 1997 | 153 | 0 |
| 1998 | 230 | 0 |
| 1999 | 268 | 0 |
| 2000 | 359 | 0 |
| 2001 | 545 | 140 |
| 2002 | 417 | 456 |
| 2003 | 410 | 543 |
| 2004 | 491 | 736 |
| 2005 | 431 | 1055 |
| 2006 | 605 | 717 |
| 2007 | 606 | 809 |
| 2008 | 664 | 894 |
| 2009 | 543 | 905 |
| 2010 | 746 | 713 |
| 2011 | 895 | 699 |
| 2012 | 671 | 524 |
| 2013 | 716 | 618 |
| 2014 | 695 | 528 |
| 2015 | 649 | 538 |
| 2016 | 549 | 545 |
| 2017 | 515 | 691 |
| 2018 | 560 | 720 |
| 2019 | 668 | 732 |
| 2020 | 689 | 772 |
| 2021 | 624 | 755 |
| 2022 | 581 | 619 |
| 2023 | 538 | 605 |
| 2024 | 440 | 594 |
| 2025 | 470 | 544 |
| 2026 | 357 | 420 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 2/175Ink supply systems15,198
- B41J 2/18Ink recirculation systems1,890
- B41J 2/19For removing air bubbles1,058
- B41J 2/1721Collecting waste ink911
- B41J 2/1714Conditioning of the outside of ink supply systems530
- B41J 2/195For monitoring ink quality518
- B41J 2/1707Conditioning of the inside of ink supply circuits516
- B41J 2/20For preventing or detecting contamination of compounds129
Recent patents
- Liquid ejection head, manufacturing method for liquid ejection head, and protection tape6 Oct 2026US 12,752,533 B2Canon Kabushiki Kaisha
- Inkjet apparatus and method of aligning the same6 Oct 2026US 12,752,534 B2Samsung Display Co., Ltd.
- Cushioning member and ink supply device6 Oct 2026US 12,752,539 B2KYOCERA Document Solutions Inc.
- Ink refill container6 Oct 2026US 12,752,540 B2Seiko Epson Corporation
- Fluid ejection device assemblies6 Oct 2026US 12,752,541 B2Hewlett-Packard Development Company, L. P.
- Inkjet recording apparatus8 Oct 2026US 2026/0307391 A1KYOCERA Document Solutions Inc.
- Inkjet recording apparatus8 Oct 2026US 2026/0307392 A1KYOCERA Document Solutions Inc.
- Apparatus and method for ink refill of a can decorator8 Oct 2026US 2026/0307393 A1Stolle Machinery Company, LLC
- Inkjet recording apparatus8 Oct 2026US 2026/0307394 A1KYOCERA Document Solutions Inc.
- Inkjet recording apparatus8 Oct 2026US 2026/0307395 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Bubble jet recording method and apparatus in which a heating element generates bubbles in a liquid flow path to project droplets2,047US 4,723,129 ACanon Kabushiki Kaisha · 1988
- Bubble jet recording method and apparatus in which a heating element generates bubbles in multiple liquid flow paths to project droplets1,733US 4,740,796 ACanon Kabushiki Kaisha · 1988
- Fluid conduction utilizing a reversible unsaturated siphon with tubarc porosity action1,386US 6,766,817 B2Tubarc Technologies, LLC · 2004
- Irrigation and drainage based on hydrodynamic unsaturated fluid flow961US 6,918,404 B2Tubarc Technologies, LLC · 2005
- Ink refill and recharging system947US 7,066,586 B2Tubarc Technologies, LLC · 2006