B41J 2202/05
Heads having a valve
B41J2202/05 (Heads having a valve) appears on 226 US grants and 225 published applications in this corpus.
Search patents in B41J- Granted patents
- 226
- Published applications
- 225
- Assignees
- 100
- Inventors
- 380
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 9 | 5 |
| 2003 | 2 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 1 | 7 |
| 2007 | 0 | 2 |
| 2008 | 4 | 3 |
| 2009 | 6 | 3 |
| 2010 | 3 | 3 |
| 2011 | 1 | 5 |
| 2012 | 1 | 4 |
| 2013 | 4 | 1 |
| 2014 | 4 | 9 |
| 2015 | 3 | 4 |
| 2016 | 7 | 9 |
| 2017 | 12 | 22 |
| 2018 | 22 | 23 |
| 2019 | 17 | 17 |
| 2020 | 17 | 15 |
| 2021 | 10 | 17 |
| 2022 | 9 | 14 |
| 2023 | 14 | 17 |
| 2024 | 8 | 20 |
| 2025 | 18 | 14 |
| 2026 | 11 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid discharge head and liquid discharge apparatus6 Oct 2026US 12,752,531 B2Ricoh Company, Ltd.
- Liquid discharge apparatus, coating apparatus, liquid discharge method, and method of manufacturing electrode29 Sep 2026US 12,746,748 B2Ricoh Company, Ltd.
- Liquid discharge system8 Sep 2026US 12,728,640 B2Ricoh Company, Ltd.
- Liquid discharge head, liquid discharge unit, and liquid discharge apparatus25 Aug 2026US 12,715,213 B2Ricoh Company, Ltd.
- Drive unit, liquid discharge head, and liquid discharge apparatus2 Jun 2026US 12,643,322 B2Ricoh Company, Ltd.
- High-definition aerosol printing using an optimized aerosol distribution and hydrodynamic lens system6 Aug 2026US 2026/0225363 A1Integrated Deposition Solutions, Inc.
- Printhead for an inkjet printer, in particular coating print media30 Jul 2026US 2026/0217025 A1Durst Group AG
- Liquid discharge head and liquid discharge apparatus4 Dec 2025US 2025/0367920 A1Ricoh Company, Ltd.
- Liquid discharge apparatus, liquid discharge method, and storage medium27 Nov 2025US 2025/0360706 A1Ricoh Company, Ltd.
- Liquid discharge apparatus and liquid discharging method11 Sep 2025US 2025/0282147 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Fluid jet printing device349US 4,737,802 ASwedot System AB · 1988
- Valve assembly for controlling fluid flow within an ink-jet pen102US 5,838,351 AHewlett-Packard Company · 1998
- Control valve for ink jet nozzles98US 4,460,905 ANCR Corporation · 1984
- Printhead for ink jet printing apparatus98US 4,723,131 ADiagraph Corporation · 1988
- Ink jet printing device94US 6,027,205 ANeopost Limited · 2000